有理数加法题(有理数加法题30道)
有理数加法题(有理数加法题30道)

初一数学有理数加减法计算题(有负数的)

七年级 有理数计算题

有理数加法

(-9)+(-13) (-12)+27 (-28)+(-34) 67+(-92) (-27.8)+43.9

(-23)+7+(-152)+65 |+(-)| (-)+|―|

38+(-22)+(+62)+(-78) (-8)+(-10)+2+(-1) (-)+0+(+)+(-)+(-)

(-8)+47+18+(-27) (-5)+21+(-95)+29 (-8.25)+8.25+(-0.25)+(-5.75)+(-7.5)

6+(-7)+(9)+2 72+65+(-105)+(-28) (-23)+|-63|+|-37|+(-77)

19+(-195)+47 (+18)+(-32)+(-16)+(+26) (-0.8)+(-1.2)+(-0.6)+(-2.4)

(-8)+(-3)+2+(-)+12 5+(-5)+4+(-) (-6.37)+(-3)+6.37+2.75

有理数减法

7-9 ―7―9 0-(-9) (-25)-(-13) 8.2―(―6.3)

(-3)-5 (-12.5)-(-7.5) (-26)―(-12)―12―18 ―1―(-)―(+)

(-20)-(+5)-(-5)-(-12) (-23)―(-59)―(-3.5) |-32|―(-12)―72―(-5)

(-)―(-)― (+)―(-)―(-)― (-)―3―(-3.2)―7

(+)―(-)― (+6.1)―(-4.3)―(-2.1)―5.1 (-)―(-1)―(-1)―(+1.75)

(-3)―(-2)―(-1)―(-1.75) -8-5+4-3 -4++(-)―

0.5+(-)-(-2.75)+ (+4.3)-(-4)+(-2.3)-(+4) (-0.5)-(-3)+6.75-5

有理数乘法

(-9)× (-)×(-0.26) (-2)×31×(-0.5)

×(-5)+×(-13) (-4)×(-10)×0.5×(-3) (-)××(-1.8)

(-0.25)×(-)×4×(-7) (-)×(-)×(-) (-8)×4×(-)×(-0.75)

4×(-96)×(-0.25)× (-1+)×56 (――)×36

(-36)×(+-) (-)×(8--0.4) (-66)×〔1-(-)+(-)〕

25×-(-25)×+25× (+-+)×72 ×(2-)×(-)×(-)

有理数除法

18÷(-3) (-24)÷6 (-57)÷(-3) (-)÷ (-42)÷(-6)

(+)÷(-) (-)÷9 0.25÷(-) -36÷(-1)÷(-) (-1)÷(-4)÷

3÷(-)×(-) 0÷[(-3)×(-7)] -3÷(-) (-24)÷(-6)

2÷(5-18)× 1÷(-3)×(-) -×(-)÷(-) (-)÷(-)

(-+)÷(-) -3.5 ×(-0.5)×÷ -1÷(-1)×1×(-7)

×(--)÷ ÷(-2)-×-÷4 0.8×+4.8×(-)-2.2÷+0.8×

五、有理数混合运算

(-)×(-15×4) (-2.4) 2÷(-)×÷(-5)

[15-(1÷1+3]÷(-1) ×(-5)÷(-)×5 -(-+-)÷(-)

-13×-0.34×+×(-13)-×0.34 8-(-25)÷(-5) (-13)×(-134)××(-)

(-4)-(-5)+(-4)-3 (-16-50+3)÷(-2) (-0.5)-(-3)+6.75-5

178-87.21+43+53-12.79 (-6)×(-4)+(-32)÷(-8)-3 --(-)+|-1|

(-9)×(-4)+ (-60)÷12 [(-)-1+]÷(-) -|-3|÷10-(-15)×

-1×(-)÷2 (2-3+1)÷(-1)×(-7) -×(8-2-0.04)

-2× -- - -2× ÷

× + ×× ×-

++ -×- -+

0-÷3× ×÷ -×-÷

×(-+1) ×0 6+× -10+8÷-4×3

-- -(1-0.5)× ××

4×+6 ××× -+2×+(-6)÷

÷(-8)-×(-) ×()×

-2[-3×]÷ ÷9÷ 36×

-{} -+(1-0.5)××[2×]

-4×+ --+×÷ 负数如果大于正数得出结果是负数比如:5+(-9)=-4 是相当于5-9=-4

两个负数相加等于负数比如:-5+(-9)=-14

求60道有理数加法题,高分悬赏

60道有理数加法题:

1、5+(-9)=-4

2、(-11)+99=88

3、1+(-5)=-4

4、16+(-12)=4

5、12+(-74)=-62

6、1+(-1)=0

7、(-5)+4=-1

8、(-2)+89=87

9、(-1)+0=-1

10、(-5)+8=3

11、(-56)+88=32

12、(-23)+66=43

13、(-3)+2=-1

14、(-9)+1=-8

15、(-6)+68=62

16、(-57)+67=10 39+[-23]+0+[-16]=

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

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

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

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

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

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

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

0.75+[-11/4]+0.125+12又5/7+[-3/8]=

[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=

4. [-18]+29+[-52]+60=

5. [-3]+[-2]+[-1]+0+1+2=

6. [-301]+125+301+[-75]=

7. 25+(-18)+(-17)+(-22)=

8. -1+2-3+4-5+6-7=

9. -50-28+(-24)-(-22)=

10. -19.8-(-20.3)-(+20.2)-10.8=

11. 0.25- +(-1 )-(+3 )=

12. (-6)+8+(-4)+12=

13. 12+35+(-23)+0=

14. 23+(-17)+6+(-22)=

15. (-2)+3+1+(-3)+2+(-4)=

有理数加法题30道

-38)+52+118+(-62)(-32)+68+(-29)+(-68)

(-21)+251+21+(-151)

12+35+(-23)+0

(-6)+8+(-4)+12 27+(-26)+33+(-27)

12+35+(-23)+0

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

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

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

[-301]+125+301+[-75]

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

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

[-26.54]+[-6.14]+18.54+6.14

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

1-4/9

1-7/10

8/15-5

7-15

2/8-5/8

8/27-5

4-27

11/12-10/12

16/21-1/7

4/ 2-(3+3 )

1/3- 7/12-7/18

1 -1/3-1 1/5

10-7/10

5/24+3/8

4.5-3/5

1-3/5=2/5

4.39*1/13*2/3

1+(-2)+(-3)+4+5+(-6)+(-7)+8+9+(-10)+(-11)+12

-15.8+13又6分之5+15又5分之4

(-7分之1)+(-7分之2)+1又7分之3

-0.5-(-3 )+2.75-(+7 )

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

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

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

[-301]+125+301+[-75]

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

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

[-26.54]+[-6.14]+18.54+6.14

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

0.75+[-11/4]+0.125+12又5/7+[-3/8]

[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4] -38)+52+118+(-62)=

(-32)+68+(-29)+(-68)=

(-21)+251+21+(-151)=

12+35+(-23)+0=

(-6)+8+(-4)+12 =

27+(-26)+33+(-27)

12+35+(-23)+0=

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

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

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

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

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

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

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

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

1-4/9 =

1-7/10=

8/15-5=

7-15=

2/8-5/8=

8/27-5 =

4-27 =

11/12-10/12=

16/21-1/7 =

4/ 2-(3+3 )=

1/3- 7/12-7/18=

1 -1/3-1 1/5 =

10-7/10=

5/24+3/8 =

4.5-3/5

1-3/5=2/5

4.39*1/13*2/3

1+(-2)+(-3)+4+5+(-6)+(-7)+8+9+(-10)+(-11)+12

-15.8+13又6分之5+15又5分之4

(-7分之1)+(-7分之2)+1又7分之3

-0.5-(-3 )+2.75-(+7 )

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

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

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

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

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

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

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

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

0.75+[-11/4]+0.125+12又5/7+[-3/8]=

[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=

七年级有理数计算100题

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

回答者: 754791551 - 魔法学徒 一级 10-5 13:26

(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

还有50道题,不过没有答案

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

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 有理数的运算练习题

(一)填空

4.23-17-(+23)=______.

5.-7-9+(-13)=______.

6.-11+|12-(39-8)|=______.

7.-9-|5-(9-45)|=______.

8.-5.6+4.7-|-3.8-3.8|=______.

9.-|-0.2|+[0.6-(0.8-5.4)]=______.

12.9.53-8-(2-|-11.64+1.53-1.36|)=______.

13.73.17-(812.03-|219.83+518|)=______.

25.已知2.342=5.476,那么-0.13×(-234)2=______.

26.若有理数m<n<0,则m3•n2的符号为______.

28.935的末位数字是______.

32.(37-34)5÷64×(-82)=______.

34.365×[72-23×7+(-24)]=______.

36.38×(-7)+5[(-2)3(-32)-(-22)]-38×339÷(-3)38=______.

______.

48.(-2)×{(-3)×[(-5)+2×(0.3-0.3)÷83-3]+4}=______.

50.用四舍五入法取近似值,396.7精确到十位的近似数是______;保留两个有效数字的近似数是______.

51.用四舍五入法取近似值,0.01249精确到0.001的近似数是______;保留三个有效数字的近似数是______.

52.今有17.5吨煤,若一辆汽车最多运4吨,则需至少派______辆汽车可一次将煤运走.

53.若8.662=75,则8662=______.

54.若2.07143=8.888,则0.20714=______.

(二)选择

55.不能使式|-11.3+______|=|-11.3|+|______|成立的数是 [ ]

A.任意一个数;

B.任意一个正数;

C.任一个负数;

D.任一个非负数.

56.不能使式|-0.19-______|=|-0.19|+|______|成立的数是 [ ]

A.任一个负数;

B.任一个非负数;

C.任一个正数;

D.任一个非正数.

57.不能使式|-7.31+______|=|-7.31|+|______|成立的数是 [ ]

A.任一个负数;

B.任一个非负数;

C.任一个正数;

D.任一个非正数.

[ ]

A.任意一个数;

C.任意一个负数;

D.任意一个非负数.

59.11.3-22.7+7.3等于 [ ]

A.-4.1;

B.-18.7;

C.-4.4;

D.-18.4.

[ ]

A.-11.7;

B.-10.1;

C.-8.1;

D.-10.3.

[ ]

A.2.2;

B.-3.2;

C.-2.2;

D.3.2.

62.-{66-[-6+(4-84-24)]}等于 [ ]

A.-168;

B.-176;

C.-116;

D.-124.

[ ]

[ ]

A.1;

B.-1;

C.0;

D.3.

65.-793.8-[3.8-(178.2-0.2)]等于 [ ]

A.-620.4;

B.-615;

C.-619.6;

D.-611.6.

[ ]

[ ]

[ ]

A.1;

D.0.1

69.-0.32÷0.5×2÷(-2)2的值是 [ ]

[ ]

71.(-0.3)3÷(-0.1)2×(-0.012)÷(-34)的值是 [ ]

72.若a•b<|a•b|,则下列结论正确的是 [ ]

A.a<0,b<0;

B.a>0,b<0;

C.a<0,b>0;

D.a•b<0.

73.下列不等式中正确的是 [ ]

A.-22×32>-22×3>-2×32>(-2×3)2;

B.(-2×3)2>-22×3>-2×32>-22×32;

C.-2×32>-22×3>-22×32>(-2×3)2;

D.-22×3>-22×32>(-2×3)2>-2×32.

74.(2002-1002)÷104的结果是 [ ]

A.1;

B.2;

C.3;

D.以上都不对.

75.下列数中与(-7-2)5相等的数是 [ ]

A.(-7)5+(-2)5;

B.-145;

C.310;

D.-310.

76.下列各数中与2×64×(-29)相等的数是 [ ]

A.216;

B.-216;

C.-254;

D.-384.

77.下列各数中比0小的偶数是 [ ]

A.(-5-2)3;

B.(-3)3(-2)3;

C.(-1+32)3;

D.(-3)4(-2)3.

小的数是 [ ]

A.这个数;

B.这个数的相反数;

C.这个数的倒数;

D.这个数的绝对值.

79.下列各式中正确的式子是 [ ]

80.下列各式中正确的式子是 [ ]

A.(-3-2)3=33×23;

B.144÷12×12=1;

C.(32)4-(34)2=0;

D.(-3)3(-2)3=-63.

81.下列各式中错误的式子是 [ ]

A.(33)2=36;

B.28-27=27;

D.2×32×37+33×36=310.

82.下列各数中最大的数是 [ ]

A.3×32-2×22;

B.(3×3)2-(2×2)2;

C.(33)2-(22)2;

D.(33)2-(22)2.

83.下列各数中最小的数是 [ ]

A.(-3-2)3;

B.(-3)(-2)3;

C.(-3)3÷(-2)3;

D.(-3)3(-2)3.

[ ]

85.如果(-ab)125>0,则下列正确的是 [ ]

C.a>0,b<0;

D.a<0,b>0.

86.如果等式a=a2成立,则a可能的取值是 [ ]

A.1个;

B.2个;

C.3个;

D.以上结论都不对.

87.a为任意整数,则下列四组数中的数字都不可能是a2的末位数字的应是 [ ]

A.3,4,9,0;

B.2,3,7,8;

C.4,5,6,7;

D.1,5,6,9.

88.四个各不相等的整数a,b,c,d,它们的积a•b•c•d=9,那么a+b+c+d的值是 [ ]

A.0;

B.4;

C.8;

D.不能确定.

[ ]

A.2;

B.4;

[ ]

A.大于零;

B.小于零;

C.等于零;

D.以上三种情况都有可能.

91.已知n是自然数,(-7)n+8=-335,则n的值是 [ ]

A.-3;

B.3;

C.2;

D.-2.

92.已知(a-1)2+3=7,则a的值是 [ ]

A.-1;

B.3;

C.-1或3;

D.以上均不对.

[ ]

[ ]

A.0.25;

B.2.5;

C.2500;

D.25000.

[ ]

A.-0.00125;

B.0.00125;

C.-0.00005;

D.0.0005.

[ ]

A.16;

B.-16;

C.1;

D.-1.

97.3.6÷(-0.62)÷0.62×(-6)3的值是 [ ]

A.6000;

B.-6000;

C.-600;

D.600.

98.对于|-a|b2+ab2,下列说法正确的是 [ ]

A.|-a|b2+ab2恒为正数;

B.|-a|b2+ab2恒为负数;

C.|-a|b2+ab2恒为零;

D.|-a|b2+ab2恒为非负数.

99.已知a=2,b=3,则(ab-ba)(ba+ab)的值是 [ ]

A.17;

B.-17;

C.13;

D.-13.

100.|3+(-2)3×(-3)2+(-23)(-32)|与25的差是 [ ]

A.大于零;

B.小于零;

C.等于零;

D.以上都有可能.

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初一数学有理数加减法计算题(有负数的)

七年级 有理数计算题

有理数加法

(-9)+(-13) (-12)+27 (-28)+(-34) 67+(-92) (-27.8)+43.9

(-23)+7+(-152)+65 |+(-)| (-)+|―|

38+(-22)+(+62)+(-78) (-8)+(-10)+2+(-1) (-)+0+(+)+(-)+(-)

(-8)+47+18+(-27) (-5)+21+(-95)+29 (-8.25)+8.25+(-0.25)+(-5.75)+(-7.5)

6+(-7)+(9)+2 72+65+(-105)+(-28) (-23)+|-63|+|-37|+(-77)

19+(-195)+47 (+18)+(-32)+(-16)+(+26) (-0.8)+(-1.2)+(-0.6)+(-2.4)

(-8)+(-3)+2+(-)+12 5+(-5)+4+(-) (-6.37)+(-3)+6.37+2.75

有理数减法

7-9 ―7―9 0-(-9) (-25)-(-13) 8.2―(―6.3)

(-3)-5 (-12.5)-(-7.5) (-26)―(-12)―12―18 ―1―(-)―(+)

(-20)-(+5)-(-5)-(-12) (-23)―(-59)―(-3.5) |-32|―(-12)―72―(-5)

(-)―(-)― (+)―(-)―(-)― (-)―3―(-3.2)―7

(+)―(-)― (+6.1)―(-4.3)―(-2.1)―5.1 (-)―(-1)―(-1)―(+1.75)

(-3)―(-2)―(-1)―(-1.75) -8-5+4-3 -4++(-)―

0.5+(-)-(-2.75)+ (+4.3)-(-4)+(-2.3)-(+4) (-0.5)-(-3)+6.75-5

有理数乘法

(-9)× (-)×(-0.26) (-2)×31×(-0.5)

×(-5)+×(-13) (-4)×(-10)×0.5×(-3) (-)××(-1.8)

(-0.25)×(-)×4×(-7) (-)×(-)×(-) (-8)×4×(-)×(-0.75)

4×(-96)×(-0.25)× (-1+)×56 (――)×36

(-36)×(+-) (-)×(8--0.4) (-66)×〔1-(-)+(-)〕

25×-(-25)×+25× (+-+)×72 ×(2-)×(-)×(-)

有理数除法

18÷(-3) (-24)÷6 (-57)÷(-3) (-)÷ (-42)÷(-6)

(+)÷(-) (-)÷9 0.25÷(-) -36÷(-1)÷(-) (-1)÷(-4)÷

3÷(-)×(-) 0÷[(-3)×(-7)] -3÷(-) (-24)÷(-6)

2÷(5-18)× 1÷(-3)×(-) -×(-)÷(-) (-)÷(-)

(-+)÷(-) -3.5 ×(-0.5)×÷ -1÷(-1)×1×(-7)

×(--)÷ ÷(-2)-×-÷4 0.8×+4.8×(-)-2.2÷+0.8×

五、有理数混合运算

(-)×(-15×4) (-2.4) 2÷(-)×÷(-5)

[15-(1÷1+3]÷(-1) ×(-5)÷(-)×5 -(-+-)÷(-)

-13×-0.34×+×(-13)-×0.34 8-(-25)÷(-5) (-13)×(-134)××(-)

(-4)-(-5)+(-4)-3 (-16-50+3)÷(-2) (-0.5)-(-3)+6.75-5

178-87.21+43+53-12.79 (-6)×(-4)+(-32)÷(-8)-3 --(-)+|-1|

(-9)×(-4)+ (-60)÷12 [(-)-1+]÷(-) -|-3|÷10-(-15)×

-1×(-)÷2 (2-3+1)÷(-1)×(-7) -×(8-2-0.04)

-2× -- - -2× ÷

× + ×× ×-

++ -×- -+

0-÷3× ×÷ -×-÷

×(-+1) ×0 6+× -10+8÷-4×3

-- -(1-0.5)× ××

4×+6 ××× -+2×+(-6)÷

÷(-8)-×(-) ×()×

-2[-3×]÷ ÷9÷ 36×

-{} -+(1-0.5)××[2×]

-4×+ --+×÷ 负数如果大于正数得出结果是负数比如:5+(-9)=-4 是相当于5-9=-4

两个负数相加等于负数比如:-5+(-9)=-14

求60道有理数加法题,高分悬赏

60道有理数加法题:

1、5+(-9)=-4

2、(-11)+99=88

3、1+(-5)=-4

4、16+(-12)=4

5、12+(-74)=-62

6、1+(-1)=0

7、(-5)+4=-1

8、(-2)+89=87

9、(-1)+0=-1

10、(-5)+8=3

11、(-56)+88=32

12、(-23)+66=43

13、(-3)+2=-1

14、(-9)+1=-8

15、(-6)+68=62

16、(-57)+67=10 39+[-23]+0+[-16]=

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

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

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

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

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

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

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

0.75+[-11/4]+0.125+12又5/7+[-3/8]=

[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=

4. [-18]+29+[-52]+60=

5. [-3]+[-2]+[-1]+0+1+2=

6. [-301]+125+301+[-75]=

7. 25+(-18)+(-17)+(-22)=

8. -1+2-3+4-5+6-7=

9. -50-28+(-24)-(-22)=

10. -19.8-(-20.3)-(+20.2)-10.8=

11. 0.25- +(-1 )-(+3 )=

12. (-6)+8+(-4)+12=

13. 12+35+(-23)+0=

14. 23+(-17)+6+(-22)=

15. (-2)+3+1+(-3)+2+(-4)=

有理数加法题30道

-38)+52+118+(-62)(-32)+68+(-29)+(-68)

(-21)+251+21+(-151)

12+35+(-23)+0

(-6)+8+(-4)+12 27+(-26)+33+(-27)

12+35+(-23)+0

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

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

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

[-301]+125+301+[-75]

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

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

[-26.54]+[-6.14]+18.54+6.14

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

1-4/9

1-7/10

8/15-5

7-15

2/8-5/8

8/27-5

4-27

11/12-10/12

16/21-1/7

4/ 2-(3+3 )

1/3- 7/12-7/18

1 -1/3-1 1/5

10-7/10

5/24+3/8

4.5-3/5

1-3/5=2/5

4.39*1/13*2/3

1+(-2)+(-3)+4+5+(-6)+(-7)+8+9+(-10)+(-11)+12

-15.8+13又6分之5+15又5分之4

(-7分之1)+(-7分之2)+1又7分之3

-0.5-(-3 )+2.75-(+7 )

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

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

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

[-301]+125+301+[-75]

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

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

[-26.54]+[-6.14]+18.54+6.14

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

0.75+[-11/4]+0.125+12又5/7+[-3/8]

[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4] -38)+52+118+(-62)=

(-32)+68+(-29)+(-68)=

(-21)+251+21+(-151)=

12+35+(-23)+0=

(-6)+8+(-4)+12 =

27+(-26)+33+(-27)

12+35+(-23)+0=

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

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

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

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

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

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

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

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

1-4/9 =

1-7/10=

8/15-5=

7-15=

2/8-5/8=

8/27-5 =

4-27 =

11/12-10/12=

16/21-1/7 =

4/ 2-(3+3 )=

1/3- 7/12-7/18=

1 -1/3-1 1/5 =

10-7/10=

5/24+3/8 =

4.5-3/5

1-3/5=2/5

4.39*1/13*2/3

1+(-2)+(-3)+4+5+(-6)+(-7)+8+9+(-10)+(-11)+12

-15.8+13又6分之5+15又5分之4

(-7分之1)+(-7分之2)+1又7分之3

-0.5-(-3 )+2.75-(+7 )

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

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

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

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

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

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

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

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

0.75+[-11/4]+0.125+12又5/7+[-3/8]=

[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=

七年级有理数计算100题

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

回答者: 754791551 - 魔法学徒 一级 10-5 13:26

(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

还有50道题,不过没有答案

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

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 有理数的运算练习题

(一)填空

4.23-17-(+23)=______.

5.-7-9+(-13)=______.

6.-11+|12-(39-8)|=______.

7.-9-|5-(9-45)|=______.

8.-5.6+4.7-|-3.8-3.8|=______.

9.-|-0.2|+[0.6-(0.8-5.4)]=______.

12.9.53-8-(2-|-11.64+1.53-1.36|)=______.

13.73.17-(812.03-|219.83+518|)=______.

25.已知2.342=5.476,那么-0.13×(-234)2=______.

26.若有理数m<n<0,则m3•n2的符号为______.

28.935的末位数字是______.

32.(37-34)5÷64×(-82)=______.

34.365×[72-23×7+(-24)]=______.

36.38×(-7)+5[(-2)3(-32)-(-22)]-38×339÷(-3)38=______.

______.

48.(-2)×{(-3)×[(-5)+2×(0.3-0.3)÷83-3]+4}=______.

50.用四舍五入法取近似值,396.7精确到十位的近似数是______;保留两个有效数字的近似数是______.

51.用四舍五入法取近似值,0.01249精确到0.001的近似数是______;保留三个有效数字的近似数是______.

52.今有17.5吨煤,若一辆汽车最多运4吨,则需至少派______辆汽车可一次将煤运走.

53.若8.662=75,则8662=______.

54.若2.07143=8.888,则0.20714=______.

(二)选择

55.不能使式|-11.3+______|=|-11.3|+|______|成立的数是 [ ]

A.任意一个数;

B.任意一个正数;

C.任一个负数;

D.任一个非负数.

56.不能使式|-0.19-______|=|-0.19|+|______|成立的数是 [ ]

A.任一个负数;

B.任一个非负数;

C.任一个正数;

D.任一个非正数.

57.不能使式|-7.31+______|=|-7.31|+|______|成立的数是 [ ]

A.任一个负数;

B.任一个非负数;

C.任一个正数;

D.任一个非正数.

[ ]

A.任意一个数;

C.任意一个负数;

D.任意一个非负数.

59.11.3-22.7+7.3等于 [ ]

A.-4.1;

B.-18.7;

C.-4.4;

D.-18.4.

[ ]

A.-11.7;

B.-10.1;

C.-8.1;

D.-10.3.

[ ]

A.2.2;

B.-3.2;

C.-2.2;

D.3.2.

62.-{66-[-6+(4-84-24)]}等于 [ ]

A.-168;

B.-176;

C.-116;

D.-124.

[ ]

[ ]

A.1;

B.-1;

C.0;

D.3.

65.-793.8-[3.8-(178.2-0.2)]等于 [ ]

A.-620.4;

B.-615;

C.-619.6;

D.-611.6.

[ ]

[ ]

[ ]

A.1;

D.0.1

69.-0.32÷0.5×2÷(-2)2的值是 [ ]

[ ]

71.(-0.3)3÷(-0.1)2×(-0.012)÷(-34)的值是 [ ]

72.若a•b<|a•b|,则下列结论正确的是 [ ]

A.a<0,b<0;

B.a>0,b<0;

C.a<0,b>0;

D.a•b<0.

73.下列不等式中正确的是 [ ]

A.-22×32>-22×3>-2×32>(-2×3)2;

B.(-2×3)2>-22×3>-2×32>-22×32;

C.-2×32>-22×3>-22×32>(-2×3)2;

D.-22×3>-22×32>(-2×3)2>-2×32.

74.(2002-1002)÷104的结果是 [ ]

A.1;

B.2;

C.3;

D.以上都不对.

75.下列数中与(-7-2)5相等的数是 [ ]

A.(-7)5+(-2)5;

B.-145;

C.310;

D.-310.

76.下列各数中与2×64×(-29)相等的数是 [ ]

A.216;

B.-216;

C.-254;

D.-384.

77.下列各数中比0小的偶数是 [ ]

A.(-5-2)3;

B.(-3)3(-2)3;

C.(-1+32)3;

D.(-3)4(-2)3.

小的数是 [ ]

A.这个数;

B.这个数的相反数;

C.这个数的倒数;

D.这个数的绝对值.

79.下列各式中正确的式子是 [ ]

80.下列各式中正确的式子是 [ ]

A.(-3-2)3=33×23;

B.144÷12×12=1;

C.(32)4-(34)2=0;

D.(-3)3(-2)3=-63.

81.下列各式中错误的式子是 [ ]

A.(33)2=36;

B.28-27=27;

D.2×32×37+33×36=310.

82.下列各数中最大的数是 [ ]

A.3×32-2×22;

B.(3×3)2-(2×2)2;

C.(33)2-(22)2;

D.(33)2-(22)2.

83.下列各数中最小的数是 [ ]

A.(-3-2)3;

B.(-3)(-2)3;

C.(-3)3÷(-2)3;

D.(-3)3(-2)3.

[ ]

85.如果(-ab)125>0,则下列正确的是 [ ]

C.a>0,b<0;

D.a<0,b>0.

86.如果等式a=a2成立,则a可能的取值是 [ ]

A.1个;

B.2个;

C.3个;

D.以上结论都不对.

87.a为任意整数,则下列四组数中的数字都不可能是a2的末位数字的应是 [ ]

A.3,4,9,0;

B.2,3,7,8;

C.4,5,6,7;

D.1,5,6,9.

88.四个各不相等的整数a,b,c,d,它们的积a•b•c•d=9,那么a+b+c+d的值是 [ ]

A.0;

B.4;

C.8;

D.不能确定.

[ ]

A.2;

B.4;

[ ]

A.大于零;

B.小于零;

C.等于零;

D.以上三种情况都有可能.

91.已知n是自然数,(-7)n+8=-335,则n的值是 [ ]

A.-3;

B.3;

C.2;

D.-2.

92.已知(a-1)2+3=7,则a的值是 [ ]

A.-1;

B.3;

C.-1或3;

D.以上均不对.

[ ]

[ ]

A.0.25;

B.2.5;

C.2500;

D.25000.

[ ]

A.-0.00125;

B.0.00125;

C.-0.00005;

D.0.0005.

[ ]

A.16;

B.-16;

C.1;

D.-1.

97.3.6÷(-0.62)÷0.62×(-6)3的值是 [ ]

A.6000;

B.-6000;

C.-600;

D.600.

98.对于|-a|b2+ab2,下列说法正确的是 [ ]

A.|-a|b2+ab2恒为正数;

B.|-a|b2+ab2恒为负数;

C.|-a|b2+ab2恒为零;

D.|-a|b2+ab2恒为非负数.

99.已知a=2,b=3,则(ab-ba)(ba+ab)的值是 [ ]

A.17;

B.-17;

C.13;

D.-13.

100.|3+(-2)3×(-3)2+(-23)(-32)|与25的差是 [ ]

A.大于零;

B.小于零;

C.等于零;

D.以上都有可能.

有理数加法题(有理数加法题30道)