初一数学混合运算80题(初一数学混合运算题)
初一数学混合运算80题(初一数学混合运算题)

给80道混合运算题目要有答案!

1. 3/7 × 49/9 - 4/3

2. 8/9 × 15/36 + 1/27

3. 12× 5/6 – 2/9 ×3

4. 8× 5/4 + 1/4

5. 6÷ 3/8 – 3/8 ÷6

6. 4/7 × 5/9 + 3/7 × 5/9

7. 5/2 -( 3/2 + 4/5 )

8. 7/8 + ( 1/8 + 1/9 )

9. 9 × 5/6 + 5/6

10. 3/4 × 8/9 - 1/3

11. 7 × 5/49 + 3/14

12. 6 ×( 1/2 + 2/3 )

13. 8 × 4/5 + 8 × 11/5

14. 31 × 5/6 – 5/6

15. 9/7 - ( 2/7 – 10/21 )

16. 5/9 × 18 – 14 × 2/7

17. 4/5 × 25/16 + 2/3 × 3/4

18. 14 × 8/7 – 5/6 × 12/15

19. 17/32 – 3/4 × 9/24

20. 3 × 2/9 + 1/3

21. 5/7 × 3/25 + 3/7

22. 3/14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6

24. 9/22 + 1/11 ÷ 1/2

25. 5/3 × 11/5 + 4/3

26. 45 × 2/3 + 1/3 × 15

27. 7/19 + 12/19 × 5/6

28. 1/4 + 3/4 ÷ 2/3

29. 8/7 × 21/16 + 1/2

30. 101 × 1/5 – 1/5 × 21

31.50+160÷40 (58+370)÷(64-45)

32.120-144÷18+35

33.347+45×2-4160÷52

34(58+37)÷(64-9×5)

35.95÷(64-45)

36.178-145÷5×6+42 420+580-64×21÷28

37.812-700÷(9+31×11) (136+64)×(65-345÷23)

38.85+14×(14+208÷26)

39.(284+16)×(512-8208÷18)

40.120-36×4÷18+35

41.(58+37)÷(64-9×5)

42.(6.8-6.8×0.55)÷8.5

43.0.12× 4.8÷0.12×4.8

44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6

45.6-1.6÷4= 5.38+7.85-5.37=

46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9

48.10.15-10.75×0.4-5.7

49.5.8×(3.87-0.13)+4.2×3.74

50.32.52-(6+9.728÷3.2)×2.5

51.[(7.1-5.6)×0.9-1.15] ÷2.5

52.5.4÷[2.6×(3.7-2.9)+0.62]

53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6

...个初一新生,要找70道有理数加减乘除乘方混合运算的题

我是一个初一新生,要找70道有理数加减乘除乘方混合运算的题

1) (-9)-(-13)+(-20)+(-2)

(2) 3+13-(-7)/6

(3) (-2)-8-14-13

(4) (-7)*(-1)/7+8

(5) (-11)*4-(-18)/18

(6) 4+(-11)-1/(-3)

(7) (-17)-6-16/(-18)

(8) 5/7+(-1)-(-8)

(9) (-1)*(-1)+15+1

(10) 3-(-5)*3/(-15)

(11) 6*(-14)-(-14)+(-13)

(12) (-15)*(-13)-(-17)-(-4)

(13) (-20)/13/(-7)+11

(14) 8+(-1)/7+(-4)

(15) (-13)-(-9)*16*(-12)

(16) (-1)+4*19+(-2)

(17) (-17)*(-9)-20+(-6)

(18) (-5)/12-(-16)*(-15)

(19) (-3)-13*(-5)*13

(20) 5+(-7)+17-10

(21) (-10)-(-16)-13*(-16)

(22) (-14)+4-19-12

(23) 5*13/14/(-10)

(24) 3*1*17/(-10)

(25) 6+(-12)+15-(-15)

(26) 15/9/13+(-7)

(27) 2/(-10)*1-(-8)

(28) 11/(-19)+(-14)-5

(29) 19-16+18/(-11)

(30) (-1)/19+(-5)+1

(31) (-5)+19/10*(-5)

(32) 11/(-17)*(-13)*12

(33) (-8)+(-10)/8*17

(34) 7-(-12)/(-1)+(-12)

(35) 12+12-19+20

(36) (-13)*(-11)*20+(-4)

(37) 17/(-2)-2*(-19)

(38) 1-12*(-16)+(-9)

(39) 13*(-14)-15/20

(40) (-15)*(-13)-6/(-9)

(41) 15*(-1)/12+7

(42) (-13)+(-16)+(-14)-(-6)

(43) 14*12*(-20)*(-13)

(44) 17-9-20+(-10)

(45) 12/(-14)+(-14)+(-2)

(46) (-15)-12/(-17)-(-3)

(47) 6-3/9/(-8)

(48) (-20)*(-15)*10*(-4)

(49) 7/(-2)*(-3)/(-14)

(50) 13/2*18*(-7)

(51) 13*5+6+3

(52) (-15)/5/3+(-20)

(53) 19*4+17-4

(54) (-11)-(-6)*(-4)*(-9)

(55) (-16)+16-(-8)*(-13)

(56) 16/(-1)/(-10)/(-20)

(57) (-1)-(-9)-9/(-19)

(58) 13*20*(-13)*4

(59) 11*(-6)-3+18

(60) (-20)+(-12)+(-1)+(-12)

(61) (-19)-3*(-13)*4

(62) (-13)/3-5*8

(63) (-15)/1+17*(-18)

(64) (-13)/3/19/8

(65) (-3)/(-13)/20*5

(66) 3/12/(-18)-18

(67) 5*(-19)/13+(-6)

(68) 4+4*(-19)-11

(69) (-2)+17-5+(-1)

(70) 9+(-3)*19*(-19)

(71) (-12)-(-6)+17/2

(72) 15*(-5)-(-3)/5

(73) (-10)*2/(-1)/4

(74) (-8)*16/(-6)+4

(75) 2-11+12+10

(76) (-3)+(-20)*(-7)*(-9)

(77) (-15)+8-17/7

(78) (-14)*10+18*2

(79) (-7)+2-(-17)*19

(80) (-7)/18/1+1

(81) 11/(-9)-(-16)/17

(82) 15+5*6-(-8)

(83) (-13)*(-18)+18/(-6)

(84) 11-(-1)/11*(-6)

(85) (-4)+(-12)+19/6

(86) (-18)/(-1)/(-19)+2

(87) 9*(-8)*(-6)/11

(88) 20*(-3)*(-5)+1

(89) (-18)-2+(-11)/20

(90) 15*1+4*17

(91) 1-10+(-14)/(-1)

(92) 10+(-4)*(-19)+(-12)

(93) 15/14/5*7

(94) 8+(-13)/3+1

(95) (-14)+6+(-2)*(-14)

(96) (-5)/(-13)/4+7

(97) (-15)/(-2)/(-12)+(-2)

(98) (-17)-(-20)-20*(-10)

(99) (-7)-10-13/3

(100) (-20)+(-18)+11+9

初一数学混合运算题

30道有理数混合运算题:

1、(-15)+(-20)+(-2)=-37

2、5+13-(-7)+6=31

3、(-2)-8-12-13=-35

4、(-7)+(-1)+7=-1

5、(-11)+3-(-18)=10

6、3+(-11)-(-3)=-5

7、(-15)-6-(-18)=-3

8、3+7+(-1)-(-8)=17

初一数学上册混合运算题50道

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-1+2-3+4-5+6-7

-50-28+(-24)-(-22)

-19.8-(-20.3)-(+20.2)-10.8

0.25- +(-1 )-(+3 )

-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

0÷(-4)-42-(-8)÷(-1)3

-32-(-3) 2-(-3)3+(-1)6

3×(-2)2+(-2×3)2+(-2+3)2

(-12)÷4×(-6)÷2

(-12)÷4×(-6)×2

75÷〔138÷(100-54)〕

85×(95-1440÷24)

80400-(4300+870÷15)

240×78÷(154-115)

1437×27+27×563

〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕

280+840÷24×5

325÷13×(266-250)

85×(95-1440÷24)

58870÷(105+20×2)

1437×27+27×563

81432÷(13×52+78)

[37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3]

(947-599)+76×64

36×(913-276÷23)

-(3.4 1.25×2.4)

0.8×〔15.5-(3.21 5.79)〕

(31.8 3.2×4)÷5

194-64.8÷1.8×0.9 36.72÷4.25×9.9

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23)

(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8

(58+37)÷(64-9×5)

812-700÷(9+31×11)

(3.2×1.5+2.5)÷1.6

85+14×(14+208÷26)

120-36×4÷18+35

(284+16)×(512-8208÷18)

9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)]

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

(284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

120-36×4÷18+35

10.15-10.75×0.4-5.7

5.8×(3.87-0.13)

+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5

——————————————————————————(以上计算题,找死我了,还有一些是自己写的)

1.计算题:(10′×5=50′)

(1)3.28-4.76+1 - ;

(2)2.75-2 -3 +1 ;

(3)42÷(-1 )-1 ÷(-0.125);

(4)(-48) ÷82-(-25) ÷(-6)2;

(5)- +( )×(-2.4).

2.计算题:(10′×5=50′)

(1)-23÷1 ×(-1 )2÷(1 )2;

(2)-14-(2-0.5)× ×[( )2-( )3];

(3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

【素质优化训练】

1.填空题:

(1)如是 ,那么ac 0;如果 ,那么ac 0;

(2)若 ,则abc= ; -a2b2c2= ;

(3)已知a,b互为相反数,c,d互为倒数,x的绝对值等于2,那么x2-(a+b)+cdx= .

2.计算:

(1)-32-

(2){1+[ ]×(-2)4}÷(- );

(3)5-3×{-2+4×[-3×(-2)2-(-4) ÷(-1)3]-7}.

【生活实际运用】

甲用1000元人民币购买了一手股票,随即他将这手股票转卖给乙,获利10%,而后乙又将这手股票反卖给甲,但乙损失了10%.最后甲按乙卖给甲的价格的九折将这手股票卖给了乙,在上述股票交易中( )

A.甲刚好亏盈平衡; B.甲盈利1元;

C.甲盈利9元; D.甲亏本1.1元.

39+[-23]+0+[-16]= 0

[-18]+29+[-52]+60= 19

[-3]+[-2]+[-1]+0+1+2= -3

[-301]+125+301+[-75]= 50

[-1]+[-1/2]+3/4+[-1/4]= -1

[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25

[-26.54]+[-6.14]+18.54+6.14= -8

1.125+[-17/5]+[-1/8]+[-0.6]= -3

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

有理数的加减混合运算

1)3.28-4.76+1 - ;

(2)2.75-2 -3 +1 ;

(3)42÷(-1 )-1 ÷(-0.125);

(4)(-48) ÷82-(-25) ÷(-6)2;

(5)- +( )×(-2.4).

2.计算题:(10′×5=50′)

(1)-23÷1 ×(-1 )2÷(1 )2;

(2)-14-(2-0.5)× ×[( )2-( )3];

(3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

75÷〔138÷(100-54)〕 85×(95-1440÷24)

80400-(4300+870÷15) 240×78÷(154-115)

1437×27+27×563 〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕 280+840÷24×5

325÷13×(266-250) 85×(95-1440÷24)

58870÷(105+20×2) 1437×27+27×563

81432÷(13×52+78) [37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3] (947-599)+76×64

36×(913-276÷23) [192-(54+38)]×67

[(7.1-5.6)×0.9-1.15]÷2.5 81432÷(13×52+78)

5.4÷[2.6×(3.7-2.9)+0.62] (947-599)+76×64 60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4 1.25×2.4) 0.8×〔15.5-(3.21 5.79)〕 (31.8 3.2×4)÷5 194-64.8÷1.8×0.9 36.72÷4.25×9.9 3.416÷(0.016×35) 0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23) (6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8 (58+37)÷(64-9×5)

812-700÷(9+31×11) (3.2×1.5+2.5)÷1.6

85+14×(14+208÷26) 120-36×4÷18+35

(284+16)×(512-8208÷18) 9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)] (4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 ) 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26) (58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5 (284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6

120-36×4÷18+35 10.15-10.75×0.4-5.7

5.8×(3.87-0.13)+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5

(一)计算题:

(1)23+(-73)

(2)(-84)+(-49)

(3)7+(-2.04)

(4)4.23+(-7.57)

(5)(-7/3)+(-7/6)

(6)9/4+(-3/2)

(7)3.75+(2.25)+5/4

(8)-3.75+(+5/4)+(-1.5)

(9)(-17/4)+(-10/3)+(+13/3)+(11/3)

(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)

(11)(+1.3)-(+17/7)

(12)(-2)-(+2/3)

(13)|(-7.2)-(-6.3)+(1.1)|

(14)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)

(15)(-2/199)*(-7/6-3/2+8/3)

(16)4a)*(-3b)*(5c)*1/6

1. 3/7 × 49/9 - 4/3

2. 8/9 × 15/36 + 1/27

3. 12× 5/6 – 2/9 ×3

4. 8× 5/4 + 1/4

5. 6÷ 3/8 – 3/8 ÷6

6. 4/7 × 5/9 + 3/7 × 5/9

7. 5/2 -( 3/2 + 4/5 )

8. 7/8 + ( 1/8 + 1/9 )

9. 9 × 5/6 + 5/6

10. 3/4 × 8/9 - 1/3

0.12χ+1.8×0.9=7.2 (9-5χ)×0.3=1.02 6.4χ-χ=28+4.4

11. 7 × 5/49 + 3/14

12. 6 ×( 1/2 + 2/3 )

13. 8 × 4/5 + 8 × 11/5

14. 31 × 5/6 – 5/6

15. 9/7 - ( 2/7 – 10/21 )

16. 5/9 × 18 – 14 × 2/7

17. 4/5 × 25/16 + 2/3 × 3/4

18. 14 × 8/7 – 5/6 × 12/15

19. 17/32 – 3/4 × 9/24

20. 3 × 2/9 + 1/3

21. 5/7 × 3/25 + 3/7

22. 3/14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6

24. 9/22 + 1/11 ÷ 1/2

25. 5/3 × 11/5 + 4/3

26. 45 × 2/3 + 1/3 × 15

27. 7/19 + 12/19 × 5/6

28. 1/4 + 3/4 ÷ 2/3

29. 8/7 × 21/16 + 1/2

30. 101 × 1/5 – 1/5 × 21

31.50+160÷40 (58+370)÷(64-45)

32.120-144÷18+35

33.347+45×2-4160÷52

34(58+37)÷(64-9×5)

35.95÷(64-45)

36.178-145÷5×6+42 420+580-64×21÷28

37.812-700÷(9+31×11) (136+64)×(65-345÷23)

38.85+14×(14+208÷26)

39.(284+16)×(512-8208÷18)

40.120-36×4÷18+35

41.(58+37)÷(64-9×5)

42.(6.8-6.8×0.55)÷8.5

43.0.12× 4.8÷0.12×4.8

44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6

45.6-1.6÷4= 5.38+7.85-5.37=

46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9

48.10.15-10.75×0.4-5.7

49.5.8×(3.87-0.13)+4.2×3.74

50.32.52-(6+9.728÷3.2)×2.5

51.-5+58+13+90+78-(-56)+50

52.-7*2-57/(3

53.(-7)*2/(1/3)+79/(3+6/4)

54.123+456+789+98/(-4)

55.369/33-(-54-31/15.5)

56.39+{3x[42/2x(3x8)]}

57.9x8x7/5x(4+6)

58.11x22/(4+12/2)

59.94+(-60)/10

0.25- +(-1 )-(+3 )

-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

0÷(-4)-42-(-8)÷(-1)3

-32-(-3) 2-(-3)3+(-1)6

3×(-2)2+(-2×3)2+(-2+3)2

(-12)÷4×(-6)÷2

(-12)÷4×(-6)×2

75÷〔138÷(100-54)〕

85×(95-1440÷24)

80400-(4300+870÷15)

240×78÷(154-115)

1437×27+27×563

〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕

280+840÷24×5

325÷13×(266-250)

85×(95-1440÷24)

58870÷(105+20×2)

1437×27+27×563

81432÷(13×52+78)

[37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3]

(947-599)+76×64

36×(913-276÷23)

-(3.4 1.25×2.4)

0.8×〔15.5-(3.21 5.79)〕

(31.8 3.2×4)÷5

194-64.8÷1.8×0.9 36.72÷4.25×9.9

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23)

(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8

(58+37)÷(64-9×5)

812-700÷(9+31×11)

(3.2×1.5+2.5)÷1.6

85+14×(14+208÷26)

120-36×4÷18+35

(284+16)×(512-8208÷18)

9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)]

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

10/2.5×35.5(22*3)

10*5/6-(21*33)

39+[-23]+0+[-16]= 0

[-18]+29+[-52]+60= 19

[-3]+[-2]+[-1]+0+1+2= -3

[-301]+125+301+[-75]= 50

[-1]+[-1/2]+3/4+[-1/4]= -1

[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25

[-26.54]+[-6.14]+18.54+6.14= -8

1.125+[-17/5]+[-1/8]+[-0.6]= -3

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

(284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

120-36×4÷18+35

10.15-10.75×0.4-5.7

5.8×(3.87-0.13)

+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5 -2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-1+2-3+4-5+6-7

-50-28+(-24)-(-22)

-19.8-(-20.3)-(+20.2)-10.8

0.25- +(-1 )-(+3 )

-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

0÷(-4)-42-(-8)÷(-1)3

-32-(-3) 2-(-3)3+(-1)6

3×(-2)2+(-2×3)2+(-2+3)2

(-12)÷4×(-6)÷2

(-12)÷4×(-6)×2

75÷〔138÷(100-54)〕

85×(95-1440÷24)

80400-(4300+870÷15)

240×78÷(154-115)

1437×27+27×563

〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕

280+840÷24×5

325÷13×(266-250)

85×(95-1440÷24)

58870÷(105+20×2)

1437×27+27×563

81432÷(13×52+78)

[37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3]

(947-599)+76×64

36×(913-276÷23)

-(3.4 1.25×2.4)

0.8×〔15.5-(3.21 5.79)〕

(31.8 3.2×4)÷5

194-64.8÷1.8×0.9 36.72÷4.25×9.9

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23)

(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8

(58+37)÷(64-9×5)

812-700÷(9+31×11)

(3.2×1.5+2.5)÷1.6

85+14×(14+208÷26)

120-36×4÷18+35

(284+16)×(512-8208÷18)

9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)]

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

(284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

120-36×4÷18+35

10.15-10.75×0.4-5.7

5.8×(3.87-0.13)

+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5

1.计算题:(10′×5=50′)

(1)3.28-4.76+1 - ;

(2)2.75-2 -3 +1 ;

(3)42÷(-1 )-1 ÷(-0.125);

(4)(-48) ÷82-(-25) ÷(-6)2;

(5)- +( )×(-2.4).

2.计算题:(10′×5=50′)

(1)-23÷1 ×(-1 )2÷(1 )2;

(2)-14-(2-0.5)× ×[( )2-( )3];

(3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

【素质优化训练】

1.填空题:

(1)如是 ,那么ac 0;如果 ,那么ac 0;

(2)若 ,则abc= ; -a2b2c2= ;

(3)已知a,b互为相反数,c,d互为倒数,x的绝对值等于2,那么x2-(a+b)+cdx= .

2.计算:

(1)-32-

(2){1+[ ]×(-2)4}÷(- );

(3)5-3×{-2+4×[-3×(-2)2-(-4) ÷(-1)3]-7}.

【生活实际运用】

甲用1000元人民币购买了一手股票,随即他将这手股票转卖给乙,获利10%,而后乙又将这手股票反卖给甲,但乙损失了10%.最后甲按乙卖给甲的价格的九折将这手股票卖给了乙,在上述股票交易中( )

A.甲刚好亏盈平衡; B.甲盈利1元;

C.甲盈利9元; D.甲亏本1.1元.

参考答案:

【同步达纲练习】

1.(1)-0.73 (2)-1 ; (3)-14; (4)- ; (5)-2.9

2.(1)-3 (2)-1 ; (3)- ; (4)1; (5)-624.

【素质优化训练】

1.(1)>,>; (2)24,-576; (3)2或6.[提示:∵ =2 ∴x2=4,x=±2]. 2.(1)-31; (2)-8 (3

39+[-23]+0+[-16]= 0

[-18]+29+[-52]+60= 19

[-3]+[-2]+[-1]+0+1+2= -3

[-301]+125+301+[-75]= 50

[-1]+[-1/2]+3/4+[-1/4]= -1

[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25

[-26.54]+[-6.14]+18.54+6.14= -8

1.125+[-17/5]+[-1/8]+[-0.6]= -3

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

有理数的加减混合运算

1)3.28-4.76+1 - ;

(2)2.75-2 -3 +1 ;

(3)42÷(-1 )-1 ÷(-0.125);

(4)(-48) ÷82-(-25) ÷(-6)2;

(5)- +( )×(-2.4).

2.计算题:(10′×5=50′)

(1)-23÷1 ×(-1 )2÷(1 )2;

(2)-14-(2-0.5)× ×[( )2-( )3];

(3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

75÷〔138÷(100-54)〕 85×(95-1440÷24)

80400-(4300+870÷15) 240×78÷(154-115)

1437×27+27×563 〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕 280+840÷24×5

325÷13×(266-250) 85×(95-1440÷24)

58870÷(105+20×2) 1437×27+27×563

81432÷(13×52+78) [37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3] (947-599)+76×64

36×(913-276÷23) [192-(54+38)]×67

[(7.1-5.6)×0.9-1.15]÷2.5 81432÷(13×52+78)

5.4÷[2.6×(3.7-2.9)+0.62] (947-599)+76×64 60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4 1.25×2.4) 0.8×〔15.5-(3.21 5.79)〕 (31.8 3.2×4)÷5 194-64.8÷1.8×0.9 36.72÷4.25×9.9 3.416÷(0.016×35) 0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23) (6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8 (58+37)÷(64-9×5)

812-700÷(9+31×11) (3.2×1.5+2.5)÷1.6

85+14×(14+208÷26) 120-36×4÷18+35

(284+16)×(512-8208÷18) 9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)] (4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 ) 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26) (58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5 (284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6

120-36×4÷18+35 10.15-10.75×0.4-5.7

5.8×(3.87-0.13)+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5

(一)计算题:

(1)23+(-73)

(2)(-84)+(-49)

(3)7+(-2.04)

(4)4.23+(-7.57)

(5)(-7/3)+(-7/6)

(6)9/4+(-3/2)

(7)3.75+(2.25)+5/4

(8)-3.75+(+5/4)+(-1.5)

(9)(-17/4)+(-10/3)+(+13/3)+(11/3)

(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)

(11)(+1.3)-(+17/7)

(12)(-2)-(+2/3)

(13)|(-7.2)-(-6.3)+(1.1)|

(14)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)

(15)(-2/199)*(-7/6-3/2+8/3)

(16)4a)*(-3b)*(5c)*1/6

1. 3/7 × 49/9 - 4/3

2. 8/9 × 15/36 + 1/27

3. 12× 5/6 – 2/9 ×3

4. 8× 5/4 + 1/4

5. 6÷ 3/8 – 3/8 ÷6

6. 4/7 × 5/9 + 3/7 × 5/9

7. 5/2 -( 3/2 + 4/5 )

8. 7/8 + ( 1/8 + 1/9 )

9. 9 × 5/6 + 5/6

10. 3/4 × 8/9 - 1/3

0.12χ+1.8×0.9=7.2 (9-5χ)×0.3=1.02 6.4χ-χ=28+4.4

11. 7 × 5/49 + 3/14

12. 6 ×( 1/2 + 2/3 )

13. 8 × 4/5 + 8 × 11/5

14. 31 × 5/6 – 5/6

15. 9/7 - ( 2/7 – 10/21 )

16. 5/9 × 18 – 14 × 2/7

17. 4/5 × 25/16 + 2/3 × 3/4

18. 14 × 8/7 – 5/6 × 12/15

19. 17/32 – 3/4 × 9/24

20. 3 × 2/9 + 1/3

21. 5/7 × 3/25 + 3/7

22. 3/14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6

24. 9/22 + 1/11 ÷ 1/2

25. 5/3 × 11/5 + 4/3

26. 45 × 2/3 + 1/3 × 15

27. 7/19 + 12/19 × 5/6

28. 1/4 + 3/4 ÷ 2/3

29. 8/7 × 21/16 + 1/2

30. 101 × 1/5 – 1/5 × 21

31.50+160÷40 (58+370)÷(64-45)

32.120-144÷18+35

33.347+45×2-4160÷52

34(58+37)÷(64-9×5)

35.95÷(64-45)

36.178-145÷5×6+42 420+580-64×21÷28

37.812-700÷(9+31×11) (136+64)×(65-345÷23)

38.85+14×(14+208÷26)

39.(284+16)×(512-8208÷18)

40.120-36×4÷18+35

41.(58+37)÷(64-9×5)

42.(6.8-6.8×0.55)÷8.5

43.0.12× 4.8÷0.12×4.8

44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6

45.6-1.6÷4= 5.38+7.85-5.37=

46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9

48.10.15-10.75×0.4-5.7

49.5.8×(3.87-0.13)+4.2×3.74

50.32.52-(6+9.728÷3.2)×2.5

51.-5+58+13+90+78-(-56)+50

52.-7*2-57/(3

53.(-7)*2/(1/3)+79/(3+6/4)

54.123+456+789+98/(-4)

55.369/33-(-54-31/15.5)

56.39+{3x[42/2x(3x8)]}

57.9x8x7/5x(4+6)

58.11x22/(4+12/2)

59.94+(-60)/10

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-1+2-3+4-5+6-7

-50-28+(-24)-(-22)

-19.8-(-20.3)-(+20.2)-10.8

0.25- +(-1 )-(+3 )

-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

0÷(-4)-42-(-8)÷(-1)3

-32-(-3) 2-(-3)3+(-1)6

3×(-2)2+(-2×3)2+(-2+3)2

(-12)÷4×(-6)÷2

(-12)÷4×(-6)×2

75÷〔138÷(100-54)〕

85×(95-1440÷24)

80400-(4300+870÷15)

240×78÷(154-115)

1437×27+27×563

〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕

280+840÷24×5

325÷13×(266-250)

85×(95-1440÷24)

58870÷(105+20×2)

1437×27+27×563

81432÷(13×52+78)

[37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3]

(947-599)+76×64

36×(913-276÷23)

-(3.4 1.25×2.4)

0.8×〔15.5-(3.21 5.79)〕

(31.8 3.2×4)÷5

194-64.8÷1.8×0.9 36.72÷4.25×9.9

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23)

(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8

(58+37)÷(64-9×5)

812-700÷(9+31×11)

(3.2×1.5+2.5)÷1.6

85+14×(14+208÷26)

120-36×4÷18+35

(284+16)×(512-8208÷18)

9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)]

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

(284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

120-36×4÷18+35

10.15-10.75×0.4-5.7

5.8×(3.87-0.13)

+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5

1.计算题:(10′×5=50′)

(1)3.28-4.76+1 - ;

(2)2.75-2 -3 +1 ;

(3)42÷(-1 )-1 ÷(-0.125);

(4)(-48) ÷82-(-25) ÷(-6)2;

(5)- +( )×(-2.4).

2.计算题:(10′×5=50′)

(1)-23÷1 ×(-1 )2÷(1 )2;

(2)-14-(2-0.5)× ×[( )2-( )3];

(3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

【素质优化训练】

1.填空题:

(1)如是 ,那么ac 0;如果 ,那么ac 0;

(2)若 ,则abc= ; -a2b2c2= ;

(3)已知a,b互为相反数,c,d互为倒数,x的绝对值等于2,那么x2-(a+b)+cdx= .

2.计算:

(1)-32-

(2){1+[ ]×(-2)4}÷(- );

(3)5-3×{-2+4×[-3×(-2)2-(-4) ÷(-1)3]-7}.

【生活实际运用】

甲用1000元人民币购买了一手股票,随即他将这手股票转卖给乙,获利10%,而后乙又将这手股票反卖给甲,但乙损失了10%.最后甲按乙卖给甲的价格的九折将这手股票卖给了乙,在上述股票交易中( )

A.甲刚好亏盈平衡; B.甲盈利1元;

C.甲盈利9元; D.甲亏本1.1元.

参考答案:

【同步达纲练习】

1.(1)-0.73 (2)-1 ; (3)-14; (4)- ; (5)-2.9

2.(1)-3 (2)-1 ; (3)- ; (4)1; (5)-624.

【素质优化训练】

1.(1)>,>; (2)24,-576; (3)2或6.[提示:∵ =2 ∴x2=4,x=±2]. 2.(1)-31; (2)-8 (3)224

【生活实际运用】 c

回答者: 蓝鲸101 - 二级 2010-1-16 14:45

0.25- +(-1 )-(+3 )

-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

0÷(-4)-42-(-8)÷(-1)3

-32-(-3) 2-(-3)3+(-1)6

3×(-2)2+(-2×3)2+(-2+3)2

(-12)÷4×(-6)÷2

(-12)÷4×(-6)×2

75÷〔138÷(100-54)〕

85×(95-1440÷24)

80400-(4300+870÷15)

240×78÷(154-115)

1437×27+27×563

〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕

280+840÷24×5

325÷13×(266-250)

85×(95-1440÷24)

58870÷(105+20×2)

1437×27+27×563

81432÷(13×52+78)

[37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3]

(947-599)+76×64

36×(913-276÷23)

-(3.4 1.25×2.4)

0.8×〔15.5-(3.21 5.79)〕

(31.8 3.2×4)÷5

194-64.8÷1.8×0.9 36.72÷4.25×9.9

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23)

(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8

(58+37)÷(64-9×5)

812-700÷(9+31×11)

(3.2×1.5+2.5)÷1.6

85+14×(14+208÷26)

120-36×4÷18+35

(284+16)×(512-8208÷18)

9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)]

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

10/2.5×35.5(22*3)

10*5/6-(21*33)

39+[-23]+0+[-16]= 0

[-18]+29+[-52]+60= 19

[-3]+[-2]+[-1]+0+1+2= -3

[-301]+125+301+[-75]= 50

[-1]+[-1/2]+3/4+[-1/4]= -1

[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25

[-26.54]+[-6.14]+18.54+6.14= -8

1.125+[-17/5]+[-1/8]+[-0.6]= -3

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

(284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

120-36×4÷18+35

10.15-10.75×0.4-5.7

免费下载这份资料?立即下载

给80道混合运算题目要有答案!

1. 3/7 × 49/9 - 4/3

2. 8/9 × 15/36 + 1/27

3. 12× 5/6 – 2/9 ×3

4. 8× 5/4 + 1/4

5. 6÷ 3/8 – 3/8 ÷6

6. 4/7 × 5/9 + 3/7 × 5/9

7. 5/2 -( 3/2 + 4/5 )

8. 7/8 + ( 1/8 + 1/9 )

9. 9 × 5/6 + 5/6

10. 3/4 × 8/9 - 1/3

11. 7 × 5/49 + 3/14

12. 6 ×( 1/2 + 2/3 )

13. 8 × 4/5 + 8 × 11/5

14. 31 × 5/6 – 5/6

15. 9/7 - ( 2/7 – 10/21 )

16. 5/9 × 18 – 14 × 2/7

17. 4/5 × 25/16 + 2/3 × 3/4

18. 14 × 8/7 – 5/6 × 12/15

19. 17/32 – 3/4 × 9/24

20. 3 × 2/9 + 1/3

21. 5/7 × 3/25 + 3/7

22. 3/14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6

24. 9/22 + 1/11 ÷ 1/2

25. 5/3 × 11/5 + 4/3

26. 45 × 2/3 + 1/3 × 15

27. 7/19 + 12/19 × 5/6

28. 1/4 + 3/4 ÷ 2/3

29. 8/7 × 21/16 + 1/2

30. 101 × 1/5 – 1/5 × 21

31.50+160÷40 (58+370)÷(64-45)

32.120-144÷18+35

33.347+45×2-4160÷52

34(58+37)÷(64-9×5)

35.95÷(64-45)

36.178-145÷5×6+42 420+580-64×21÷28

37.812-700÷(9+31×11) (136+64)×(65-345÷23)

38.85+14×(14+208÷26)

39.(284+16)×(512-8208÷18)

40.120-36×4÷18+35

41.(58+37)÷(64-9×5)

42.(6.8-6.8×0.55)÷8.5

43.0.12× 4.8÷0.12×4.8

44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6

45.6-1.6÷4= 5.38+7.85-5.37=

46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9

48.10.15-10.75×0.4-5.7

49.5.8×(3.87-0.13)+4.2×3.74

50.32.52-(6+9.728÷3.2)×2.5

51.[(7.1-5.6)×0.9-1.15] ÷2.5

52.5.4÷[2.6×(3.7-2.9)+0.62]

53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6

...个初一新生,要找70道有理数加减乘除乘方混合运算的题

我是一个初一新生,要找70道有理数加减乘除乘方混合运算的题

1) (-9)-(-13)+(-20)+(-2)

(2) 3+13-(-7)/6

(3) (-2)-8-14-13

(4) (-7)*(-1)/7+8

(5) (-11)*4-(-18)/18

(6) 4+(-11)-1/(-3)

(7) (-17)-6-16/(-18)

(8) 5/7+(-1)-(-8)

(9) (-1)*(-1)+15+1

(10) 3-(-5)*3/(-15)

(11) 6*(-14)-(-14)+(-13)

(12) (-15)*(-13)-(-17)-(-4)

(13) (-20)/13/(-7)+11

(14) 8+(-1)/7+(-4)

(15) (-13)-(-9)*16*(-12)

(16) (-1)+4*19+(-2)

(17) (-17)*(-9)-20+(-6)

(18) (-5)/12-(-16)*(-15)

(19) (-3)-13*(-5)*13

(20) 5+(-7)+17-10

(21) (-10)-(-16)-13*(-16)

(22) (-14)+4-19-12

(23) 5*13/14/(-10)

(24) 3*1*17/(-10)

(25) 6+(-12)+15-(-15)

(26) 15/9/13+(-7)

(27) 2/(-10)*1-(-8)

(28) 11/(-19)+(-14)-5

(29) 19-16+18/(-11)

(30) (-1)/19+(-5)+1

(31) (-5)+19/10*(-5)

(32) 11/(-17)*(-13)*12

(33) (-8)+(-10)/8*17

(34) 7-(-12)/(-1)+(-12)

(35) 12+12-19+20

(36) (-13)*(-11)*20+(-4)

(37) 17/(-2)-2*(-19)

(38) 1-12*(-16)+(-9)

(39) 13*(-14)-15/20

(40) (-15)*(-13)-6/(-9)

(41) 15*(-1)/12+7

(42) (-13)+(-16)+(-14)-(-6)

(43) 14*12*(-20)*(-13)

(44) 17-9-20+(-10)

(45) 12/(-14)+(-14)+(-2)

(46) (-15)-12/(-17)-(-3)

(47) 6-3/9/(-8)

(48) (-20)*(-15)*10*(-4)

(49) 7/(-2)*(-3)/(-14)

(50) 13/2*18*(-7)

(51) 13*5+6+3

(52) (-15)/5/3+(-20)

(53) 19*4+17-4

(54) (-11)-(-6)*(-4)*(-9)

(55) (-16)+16-(-8)*(-13)

(56) 16/(-1)/(-10)/(-20)

(57) (-1)-(-9)-9/(-19)

(58) 13*20*(-13)*4

(59) 11*(-6)-3+18

(60) (-20)+(-12)+(-1)+(-12)

(61) (-19)-3*(-13)*4

(62) (-13)/3-5*8

(63) (-15)/1+17*(-18)

(64) (-13)/3/19/8

(65) (-3)/(-13)/20*5

(66) 3/12/(-18)-18

(67) 5*(-19)/13+(-6)

(68) 4+4*(-19)-11

(69) (-2)+17-5+(-1)

(70) 9+(-3)*19*(-19)

(71) (-12)-(-6)+17/2

(72) 15*(-5)-(-3)/5

(73) (-10)*2/(-1)/4

(74) (-8)*16/(-6)+4

(75) 2-11+12+10

(76) (-3)+(-20)*(-7)*(-9)

(77) (-15)+8-17/7

(78) (-14)*10+18*2

(79) (-7)+2-(-17)*19

(80) (-7)/18/1+1

(81) 11/(-9)-(-16)/17

(82) 15+5*6-(-8)

(83) (-13)*(-18)+18/(-6)

(84) 11-(-1)/11*(-6)

(85) (-4)+(-12)+19/6

(86) (-18)/(-1)/(-19)+2

(87) 9*(-8)*(-6)/11

(88) 20*(-3)*(-5)+1

(89) (-18)-2+(-11)/20

(90) 15*1+4*17

(91) 1-10+(-14)/(-1)

(92) 10+(-4)*(-19)+(-12)

(93) 15/14/5*7

(94) 8+(-13)/3+1

(95) (-14)+6+(-2)*(-14)

(96) (-5)/(-13)/4+7

(97) (-15)/(-2)/(-12)+(-2)

(98) (-17)-(-20)-20*(-10)

(99) (-7)-10-13/3

(100) (-20)+(-18)+11+9

初一数学混合运算题

30道有理数混合运算题:

1、(-15)+(-20)+(-2)=-37

2、5+13-(-7)+6=31

3、(-2)-8-12-13=-35

4、(-7)+(-1)+7=-1

5、(-11)+3-(-18)=10

6、3+(-11)-(-3)=-5

7、(-15)-6-(-18)=-3

8、3+7+(-1)-(-8)=17

初一数学上册混合运算题50道

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-1+2-3+4-5+6-7

-50-28+(-24)-(-22)

-19.8-(-20.3)-(+20.2)-10.8

0.25- +(-1 )-(+3 )

-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

0÷(-4)-42-(-8)÷(-1)3

-32-(-3) 2-(-3)3+(-1)6

3×(-2)2+(-2×3)2+(-2+3)2

(-12)÷4×(-6)÷2

(-12)÷4×(-6)×2

75÷〔138÷(100-54)〕

85×(95-1440÷24)

80400-(4300+870÷15)

240×78÷(154-115)

1437×27+27×563

〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕

280+840÷24×5

325÷13×(266-250)

85×(95-1440÷24)

58870÷(105+20×2)

1437×27+27×563

81432÷(13×52+78)

[37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3]

(947-599)+76×64

36×(913-276÷23)

-(3.4 1.25×2.4)

0.8×〔15.5-(3.21 5.79)〕

(31.8 3.2×4)÷5

194-64.8÷1.8×0.9 36.72÷4.25×9.9

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23)

(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8

(58+37)÷(64-9×5)

812-700÷(9+31×11)

(3.2×1.5+2.5)÷1.6

85+14×(14+208÷26)

120-36×4÷18+35

(284+16)×(512-8208÷18)

9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)]

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

(284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

120-36×4÷18+35

10.15-10.75×0.4-5.7

5.8×(3.87-0.13)

+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5

——————————————————————————(以上计算题,找死我了,还有一些是自己写的)

1.计算题:(10′×5=50′)

(1)3.28-4.76+1 - ;

(2)2.75-2 -3 +1 ;

(3)42÷(-1 )-1 ÷(-0.125);

(4)(-48) ÷82-(-25) ÷(-6)2;

(5)- +( )×(-2.4).

2.计算题:(10′×5=50′)

(1)-23÷1 ×(-1 )2÷(1 )2;

(2)-14-(2-0.5)× ×[( )2-( )3];

(3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

【素质优化训练】

1.填空题:

(1)如是 ,那么ac 0;如果 ,那么ac 0;

(2)若 ,则abc= ; -a2b2c2= ;

(3)已知a,b互为相反数,c,d互为倒数,x的绝对值等于2,那么x2-(a+b)+cdx= .

2.计算:

(1)-32-

(2){1+[ ]×(-2)4}÷(- );

(3)5-3×{-2+4×[-3×(-2)2-(-4) ÷(-1)3]-7}.

【生活实际运用】

甲用1000元人民币购买了一手股票,随即他将这手股票转卖给乙,获利10%,而后乙又将这手股票反卖给甲,但乙损失了10%.最后甲按乙卖给甲的价格的九折将这手股票卖给了乙,在上述股票交易中( )

A.甲刚好亏盈平衡; B.甲盈利1元;

C.甲盈利9元; D.甲亏本1.1元.

39+[-23]+0+[-16]= 0

[-18]+29+[-52]+60= 19

[-3]+[-2]+[-1]+0+1+2= -3

[-301]+125+301+[-75]= 50

[-1]+[-1/2]+3/4+[-1/4]= -1

[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25

[-26.54]+[-6.14]+18.54+6.14= -8

1.125+[-17/5]+[-1/8]+[-0.6]= -3

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

有理数的加减混合运算

1)3.28-4.76+1 - ;

(2)2.75-2 -3 +1 ;

(3)42÷(-1 )-1 ÷(-0.125);

(4)(-48) ÷82-(-25) ÷(-6)2;

(5)- +( )×(-2.4).

2.计算题:(10′×5=50′)

(1)-23÷1 ×(-1 )2÷(1 )2;

(2)-14-(2-0.5)× ×[( )2-( )3];

(3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

75÷〔138÷(100-54)〕 85×(95-1440÷24)

80400-(4300+870÷15) 240×78÷(154-115)

1437×27+27×563 〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕 280+840÷24×5

325÷13×(266-250) 85×(95-1440÷24)

58870÷(105+20×2) 1437×27+27×563

81432÷(13×52+78) [37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3] (947-599)+76×64

36×(913-276÷23) [192-(54+38)]×67

[(7.1-5.6)×0.9-1.15]÷2.5 81432÷(13×52+78)

5.4÷[2.6×(3.7-2.9)+0.62] (947-599)+76×64 60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4 1.25×2.4) 0.8×〔15.5-(3.21 5.79)〕 (31.8 3.2×4)÷5 194-64.8÷1.8×0.9 36.72÷4.25×9.9 3.416÷(0.016×35) 0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23) (6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8 (58+37)÷(64-9×5)

812-700÷(9+31×11) (3.2×1.5+2.5)÷1.6

85+14×(14+208÷26) 120-36×4÷18+35

(284+16)×(512-8208÷18) 9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)] (4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 ) 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26) (58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5 (284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6

120-36×4÷18+35 10.15-10.75×0.4-5.7

5.8×(3.87-0.13)+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5

(一)计算题:

(1)23+(-73)

(2)(-84)+(-49)

(3)7+(-2.04)

(4)4.23+(-7.57)

(5)(-7/3)+(-7/6)

(6)9/4+(-3/2)

(7)3.75+(2.25)+5/4

(8)-3.75+(+5/4)+(-1.5)

(9)(-17/4)+(-10/3)+(+13/3)+(11/3)

(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)

(11)(+1.3)-(+17/7)

(12)(-2)-(+2/3)

(13)|(-7.2)-(-6.3)+(1.1)|

(14)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)

(15)(-2/199)*(-7/6-3/2+8/3)

(16)4a)*(-3b)*(5c)*1/6

1. 3/7 × 49/9 - 4/3

2. 8/9 × 15/36 + 1/27

3. 12× 5/6 – 2/9 ×3

4. 8× 5/4 + 1/4

5. 6÷ 3/8 – 3/8 ÷6

6. 4/7 × 5/9 + 3/7 × 5/9

7. 5/2 -( 3/2 + 4/5 )

8. 7/8 + ( 1/8 + 1/9 )

9. 9 × 5/6 + 5/6

10. 3/4 × 8/9 - 1/3

0.12χ+1.8×0.9=7.2 (9-5χ)×0.3=1.02 6.4χ-χ=28+4.4

11. 7 × 5/49 + 3/14

12. 6 ×( 1/2 + 2/3 )

13. 8 × 4/5 + 8 × 11/5

14. 31 × 5/6 – 5/6

15. 9/7 - ( 2/7 – 10/21 )

16. 5/9 × 18 – 14 × 2/7

17. 4/5 × 25/16 + 2/3 × 3/4

18. 14 × 8/7 – 5/6 × 12/15

19. 17/32 – 3/4 × 9/24

20. 3 × 2/9 + 1/3

21. 5/7 × 3/25 + 3/7

22. 3/14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6

24. 9/22 + 1/11 ÷ 1/2

25. 5/3 × 11/5 + 4/3

26. 45 × 2/3 + 1/3 × 15

27. 7/19 + 12/19 × 5/6

28. 1/4 + 3/4 ÷ 2/3

29. 8/7 × 21/16 + 1/2

30. 101 × 1/5 – 1/5 × 21

31.50+160÷40 (58+370)÷(64-45)

32.120-144÷18+35

33.347+45×2-4160÷52

34(58+37)÷(64-9×5)

35.95÷(64-45)

36.178-145÷5×6+42 420+580-64×21÷28

37.812-700÷(9+31×11) (136+64)×(65-345÷23)

38.85+14×(14+208÷26)

39.(284+16)×(512-8208÷18)

40.120-36×4÷18+35

41.(58+37)÷(64-9×5)

42.(6.8-6.8×0.55)÷8.5

43.0.12× 4.8÷0.12×4.8

44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6

45.6-1.6÷4= 5.38+7.85-5.37=

46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9

48.10.15-10.75×0.4-5.7

49.5.8×(3.87-0.13)+4.2×3.74

50.32.52-(6+9.728÷3.2)×2.5

51.-5+58+13+90+78-(-56)+50

52.-7*2-57/(3

53.(-7)*2/(1/3)+79/(3+6/4)

54.123+456+789+98/(-4)

55.369/33-(-54-31/15.5)

56.39+{3x[42/2x(3x8)]}

57.9x8x7/5x(4+6)

58.11x22/(4+12/2)

59.94+(-60)/10

0.25- +(-1 )-(+3 )

-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

0÷(-4)-42-(-8)÷(-1)3

-32-(-3) 2-(-3)3+(-1)6

3×(-2)2+(-2×3)2+(-2+3)2

(-12)÷4×(-6)÷2

(-12)÷4×(-6)×2

75÷〔138÷(100-54)〕

85×(95-1440÷24)

80400-(4300+870÷15)

240×78÷(154-115)

1437×27+27×563

〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕

280+840÷24×5

325÷13×(266-250)

85×(95-1440÷24)

58870÷(105+20×2)

1437×27+27×563

81432÷(13×52+78)

[37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3]

(947-599)+76×64

36×(913-276÷23)

-(3.4 1.25×2.4)

0.8×〔15.5-(3.21 5.79)〕

(31.8 3.2×4)÷5

194-64.8÷1.8×0.9 36.72÷4.25×9.9

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23)

(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8

(58+37)÷(64-9×5)

812-700÷(9+31×11)

(3.2×1.5+2.5)÷1.6

85+14×(14+208÷26)

120-36×4÷18+35

(284+16)×(512-8208÷18)

9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)]

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

10/2.5×35.5(22*3)

10*5/6-(21*33)

39+[-23]+0+[-16]= 0

[-18]+29+[-52]+60= 19

[-3]+[-2]+[-1]+0+1+2= -3

[-301]+125+301+[-75]= 50

[-1]+[-1/2]+3/4+[-1/4]= -1

[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25

[-26.54]+[-6.14]+18.54+6.14= -8

1.125+[-17/5]+[-1/8]+[-0.6]= -3

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

(284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

120-36×4÷18+35

10.15-10.75×0.4-5.7

5.8×(3.87-0.13)

+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5 -2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-1+2-3+4-5+6-7

-50-28+(-24)-(-22)

-19.8-(-20.3)-(+20.2)-10.8

0.25- +(-1 )-(+3 )

-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

0÷(-4)-42-(-8)÷(-1)3

-32-(-3) 2-(-3)3+(-1)6

3×(-2)2+(-2×3)2+(-2+3)2

(-12)÷4×(-6)÷2

(-12)÷4×(-6)×2

75÷〔138÷(100-54)〕

85×(95-1440÷24)

80400-(4300+870÷15)

240×78÷(154-115)

1437×27+27×563

〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕

280+840÷24×5

325÷13×(266-250)

85×(95-1440÷24)

58870÷(105+20×2)

1437×27+27×563

81432÷(13×52+78)

[37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3]

(947-599)+76×64

36×(913-276÷23)

-(3.4 1.25×2.4)

0.8×〔15.5-(3.21 5.79)〕

(31.8 3.2×4)÷5

194-64.8÷1.8×0.9 36.72÷4.25×9.9

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23)

(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8

(58+37)÷(64-9×5)

812-700÷(9+31×11)

(3.2×1.5+2.5)÷1.6

85+14×(14+208÷26)

120-36×4÷18+35

(284+16)×(512-8208÷18)

9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)]

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

(284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

120-36×4÷18+35

10.15-10.75×0.4-5.7

5.8×(3.87-0.13)

+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5

1.计算题:(10′×5=50′)

(1)3.28-4.76+1 - ;

(2)2.75-2 -3 +1 ;

(3)42÷(-1 )-1 ÷(-0.125);

(4)(-48) ÷82-(-25) ÷(-6)2;

(5)- +( )×(-2.4).

2.计算题:(10′×5=50′)

(1)-23÷1 ×(-1 )2÷(1 )2;

(2)-14-(2-0.5)× ×[( )2-( )3];

(3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

【素质优化训练】

1.填空题:

(1)如是 ,那么ac 0;如果 ,那么ac 0;

(2)若 ,则abc= ; -a2b2c2= ;

(3)已知a,b互为相反数,c,d互为倒数,x的绝对值等于2,那么x2-(a+b)+cdx= .

2.计算:

(1)-32-

(2){1+[ ]×(-2)4}÷(- );

(3)5-3×{-2+4×[-3×(-2)2-(-4) ÷(-1)3]-7}.

【生活实际运用】

甲用1000元人民币购买了一手股票,随即他将这手股票转卖给乙,获利10%,而后乙又将这手股票反卖给甲,但乙损失了10%.最后甲按乙卖给甲的价格的九折将这手股票卖给了乙,在上述股票交易中( )

A.甲刚好亏盈平衡; B.甲盈利1元;

C.甲盈利9元; D.甲亏本1.1元.

参考答案:

【同步达纲练习】

1.(1)-0.73 (2)-1 ; (3)-14; (4)- ; (5)-2.9

2.(1)-3 (2)-1 ; (3)- ; (4)1; (5)-624.

【素质优化训练】

1.(1)>,>; (2)24,-576; (3)2或6.[提示:∵ =2 ∴x2=4,x=±2]. 2.(1)-31; (2)-8 (3

39+[-23]+0+[-16]= 0

[-18]+29+[-52]+60= 19

[-3]+[-2]+[-1]+0+1+2= -3

[-301]+125+301+[-75]= 50

[-1]+[-1/2]+3/4+[-1/4]= -1

[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25

[-26.54]+[-6.14]+18.54+6.14= -8

1.125+[-17/5]+[-1/8]+[-0.6]= -3

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

有理数的加减混合运算

1)3.28-4.76+1 - ;

(2)2.75-2 -3 +1 ;

(3)42÷(-1 )-1 ÷(-0.125);

(4)(-48) ÷82-(-25) ÷(-6)2;

(5)- +( )×(-2.4).

2.计算题:(10′×5=50′)

(1)-23÷1 ×(-1 )2÷(1 )2;

(2)-14-(2-0.5)× ×[( )2-( )3];

(3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

75÷〔138÷(100-54)〕 85×(95-1440÷24)

80400-(4300+870÷15) 240×78÷(154-115)

1437×27+27×563 〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕 280+840÷24×5

325÷13×(266-250) 85×(95-1440÷24)

58870÷(105+20×2) 1437×27+27×563

81432÷(13×52+78) [37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3] (947-599)+76×64

36×(913-276÷23) [192-(54+38)]×67

[(7.1-5.6)×0.9-1.15]÷2.5 81432÷(13×52+78)

5.4÷[2.6×(3.7-2.9)+0.62] (947-599)+76×64 60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4 1.25×2.4) 0.8×〔15.5-(3.21 5.79)〕 (31.8 3.2×4)÷5 194-64.8÷1.8×0.9 36.72÷4.25×9.9 3.416÷(0.016×35) 0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23) (6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8 (58+37)÷(64-9×5)

812-700÷(9+31×11) (3.2×1.5+2.5)÷1.6

85+14×(14+208÷26) 120-36×4÷18+35

(284+16)×(512-8208÷18) 9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)] (4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 ) 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26) (58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5 (284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6

120-36×4÷18+35 10.15-10.75×0.4-5.7

5.8×(3.87-0.13)+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5

(一)计算题:

(1)23+(-73)

(2)(-84)+(-49)

(3)7+(-2.04)

(4)4.23+(-7.57)

(5)(-7/3)+(-7/6)

(6)9/4+(-3/2)

(7)3.75+(2.25)+5/4

(8)-3.75+(+5/4)+(-1.5)

(9)(-17/4)+(-10/3)+(+13/3)+(11/3)

(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)

(11)(+1.3)-(+17/7)

(12)(-2)-(+2/3)

(13)|(-7.2)-(-6.3)+(1.1)|

(14)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)

(15)(-2/199)*(-7/6-3/2+8/3)

(16)4a)*(-3b)*(5c)*1/6

1. 3/7 × 49/9 - 4/3

2. 8/9 × 15/36 + 1/27

3. 12× 5/6 – 2/9 ×3

4. 8× 5/4 + 1/4

5. 6÷ 3/8 – 3/8 ÷6

6. 4/7 × 5/9 + 3/7 × 5/9

7. 5/2 -( 3/2 + 4/5 )

8. 7/8 + ( 1/8 + 1/9 )

9. 9 × 5/6 + 5/6

10. 3/4 × 8/9 - 1/3

0.12χ+1.8×0.9=7.2 (9-5χ)×0.3=1.02 6.4χ-χ=28+4.4

11. 7 × 5/49 + 3/14

12. 6 ×( 1/2 + 2/3 )

13. 8 × 4/5 + 8 × 11/5

14. 31 × 5/6 – 5/6

15. 9/7 - ( 2/7 – 10/21 )

16. 5/9 × 18 – 14 × 2/7

17. 4/5 × 25/16 + 2/3 × 3/4

18. 14 × 8/7 – 5/6 × 12/15

19. 17/32 – 3/4 × 9/24

20. 3 × 2/9 + 1/3

21. 5/7 × 3/25 + 3/7

22. 3/14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6

24. 9/22 + 1/11 ÷ 1/2

25. 5/3 × 11/5 + 4/3

26. 45 × 2/3 + 1/3 × 15

27. 7/19 + 12/19 × 5/6

28. 1/4 + 3/4 ÷ 2/3

29. 8/7 × 21/16 + 1/2

30. 101 × 1/5 – 1/5 × 21

31.50+160÷40 (58+370)÷(64-45)

32.120-144÷18+35

33.347+45×2-4160÷52

34(58+37)÷(64-9×5)

35.95÷(64-45)

36.178-145÷5×6+42 420+580-64×21÷28

37.812-700÷(9+31×11) (136+64)×(65-345÷23)

38.85+14×(14+208÷26)

39.(284+16)×(512-8208÷18)

40.120-36×4÷18+35

41.(58+37)÷(64-9×5)

42.(6.8-6.8×0.55)÷8.5

43.0.12× 4.8÷0.12×4.8

44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6

45.6-1.6÷4= 5.38+7.85-5.37=

46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9

48.10.15-10.75×0.4-5.7

49.5.8×(3.87-0.13)+4.2×3.74

50.32.52-(6+9.728÷3.2)×2.5

51.-5+58+13+90+78-(-56)+50

52.-7*2-57/(3

53.(-7)*2/(1/3)+79/(3+6/4)

54.123+456+789+98/(-4)

55.369/33-(-54-31/15.5)

56.39+{3x[42/2x(3x8)]}

57.9x8x7/5x(4+6)

58.11x22/(4+12/2)

59.94+(-60)/10

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-1+2-3+4-5+6-7

-50-28+(-24)-(-22)

-19.8-(-20.3)-(+20.2)-10.8

0.25- +(-1 )-(+3 )

-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

0÷(-4)-42-(-8)÷(-1)3

-32-(-3) 2-(-3)3+(-1)6

3×(-2)2+(-2×3)2+(-2+3)2

(-12)÷4×(-6)÷2

(-12)÷4×(-6)×2

75÷〔138÷(100-54)〕

85×(95-1440÷24)

80400-(4300+870÷15)

240×78÷(154-115)

1437×27+27×563

〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕

280+840÷24×5

325÷13×(266-250)

85×(95-1440÷24)

58870÷(105+20×2)

1437×27+27×563

81432÷(13×52+78)

[37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3]

(947-599)+76×64

36×(913-276÷23)

-(3.4 1.25×2.4)

0.8×〔15.5-(3.21 5.79)〕

(31.8 3.2×4)÷5

194-64.8÷1.8×0.9 36.72÷4.25×9.9

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23)

(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8

(58+37)÷(64-9×5)

812-700÷(9+31×11)

(3.2×1.5+2.5)÷1.6

85+14×(14+208÷26)

120-36×4÷18+35

(284+16)×(512-8208÷18)

9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)]

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

(284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

120-36×4÷18+35

10.15-10.75×0.4-5.7

5.8×(3.87-0.13)

+4.2×3.74 347+45×2-4160÷52

32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)

[(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6

5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6

3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6

5.8×(3.87-0.13)+4.2×3.74

33.02-(148.4-90.85)÷2.5

1.计算题:(10′×5=50′)

(1)3.28-4.76+1 - ;

(2)2.75-2 -3 +1 ;

(3)42÷(-1 )-1 ÷(-0.125);

(4)(-48) ÷82-(-25) ÷(-6)2;

(5)- +( )×(-2.4).

2.计算题:(10′×5=50′)

(1)-23÷1 ×(-1 )2÷(1 )2;

(2)-14-(2-0.5)× ×[( )2-( )3];

(3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

(4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

【素质优化训练】

1.填空题:

(1)如是 ,那么ac 0;如果 ,那么ac 0;

(2)若 ,则abc= ; -a2b2c2= ;

(3)已知a,b互为相反数,c,d互为倒数,x的绝对值等于2,那么x2-(a+b)+cdx= .

2.计算:

(1)-32-

(2){1+[ ]×(-2)4}÷(- );

(3)5-3×{-2+4×[-3×(-2)2-(-4) ÷(-1)3]-7}.

【生活实际运用】

甲用1000元人民币购买了一手股票,随即他将这手股票转卖给乙,获利10%,而后乙又将这手股票反卖给甲,但乙损失了10%.最后甲按乙卖给甲的价格的九折将这手股票卖给了乙,在上述股票交易中( )

A.甲刚好亏盈平衡; B.甲盈利1元;

C.甲盈利9元; D.甲亏本1.1元.

参考答案:

【同步达纲练习】

1.(1)-0.73 (2)-1 ; (3)-14; (4)- ; (5)-2.9

2.(1)-3 (2)-1 ; (3)- ; (4)1; (5)-624.

【素质优化训练】

1.(1)>,>; (2)24,-576; (3)2或6.[提示:∵ =2 ∴x2=4,x=±2]. 2.(1)-31; (2)-8 (3)224

【生活实际运用】 c

回答者: 蓝鲸101 - 二级 2010-1-16 14:45

0.25- +(-1 )-(+3 )

-1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

0÷(-4)-42-(-8)÷(-1)3

-32-(-3) 2-(-3)3+(-1)6

3×(-2)2+(-2×3)2+(-2+3)2

(-12)÷4×(-6)÷2

(-12)÷4×(-6)×2

75÷〔138÷(100-54)〕

85×(95-1440÷24)

80400-(4300+870÷15)

240×78÷(154-115)

1437×27+27×563

〔75-(12+18)〕÷15

2160÷〔(83-79)×18〕

280+840÷24×5

325÷13×(266-250)

85×(95-1440÷24)

58870÷(105+20×2)

1437×27+27×563

81432÷(13×52+78)

[37.85-(7.85+6.4)] ×30

156×[(17.7-7.2)÷3]

(947-599)+76×64

36×(913-276÷23)

-(3.4 1.25×2.4)

0.8×〔15.5-(3.21 5.79)〕

(31.8 3.2×4)÷5

194-64.8÷1.8×0.9 36.72÷4.25×9.9

3.416÷(0.016×35)

0.8×[(10-6.76)÷1.2]

(136+64)×(65-345÷23)

(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8

(58+37)÷(64-9×5)

812-700÷(9+31×11)

(3.2×1.5+2.5)÷1.6

85+14×(14+208÷26)

120-36×4÷18+35

(284+16)×(512-8208÷18)

9.72×1.6-18.305÷7

4/7÷[1/3×(3/5-3/10)]

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

10/2.5×35.5(22*3)

10*5/6-(21*33)

39+[-23]+0+[-16]= 0

[-18]+29+[-52]+60= 19

[-3]+[-2]+[-1]+0+1+2= -3

[-301]+125+301+[-75]= 50

[-1]+[-1/2]+3/4+[-1/4]= -1

[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25

[-26.54]+[-6.14]+18.54+6.14= -8

1.125+[-17/5]+[-1/8]+[-0.6]= -3

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3

-3x+2y-5x-7y

(4/5+1/4)÷7/3+7/10

12.78-0÷( 13.4+156.6 )

37.812-700÷(9+31×11)

(136+64)×(65-345÷23)

3.2×(1.5+2.5)÷1.6

85+14×(14+208÷26)

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

(284+16)×(512-8208÷18)

0.12× 4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

120-36×4÷18+35

10.15-10.75×0.4-5.7

初一数学混合运算80题(初一数学混合运算题)