赚现金
【篇一】
一、基本练习
1、口算：
61-41= 70-12= 82-48= 47-25=
48-26= 46+18= 26+26= 16+28=
35-29= 54-18= 51-17= 3500+2000=
300+500= 600+100= 800-700= 1500-500=
基础知识
为进一步提高孩子的学习能力，在暑假期间，暑假作业必是学生要完成的一项作业，而拥有一份答案可以更好起到对照作用。以下是我为大家准备了2021 二年级数学 暑假作业参考答案大全，欢迎参阅。
二年级数学暑假作业参考答案
第1页：
三、1、18+16-9=25(人)2、3×8+9=33(本)
3、10除以5=2(个);10除以2=5(人)
第2页：
【篇一】小学二年级下册数学作业题
1、口算。
73-9= 57-8= 86+8=
24-6= 18-10÷5= 42÷7+9=
36+2×6= 25÷（10÷2）= （54-30）÷4=
2、计算。
（1）一个砝码重6克，7个这样的砝码重多少克？
一、口算。
一、填空：
【 #二年级# 导语】很多学生在做阅读理解题时，总是丢分，甚至丢很多分。究其原因，貌似阅读理解做不好，实质上，是读书面太窄，对汉语的意蕴把握不够。要想把阅读理解做好，必须读足够的读物。以下是 考 网整理的《小学二年级英语暑假作业阅读理解题及答案》，希望帮助到您。
【篇一】
Beijing is the capital of China. It has a long history.
Beijing is a beautiful city. If you come to Beijing, you can visit many famous places, such as the Great Wall, the Summer Palace and so on. Every year many people from all over the world come to Beijing.
根据短文内容，选出你认为正确的选项。
1. Where is th capital of China?
A. Shanghai B. Guangzhou C. Beijing D.Tianjin
2. What do you think about Beijing? It is _______.
A. big B.small C. beautiful D.hot
3. The Great Wall is in _________.
A.Shanghai B. Guangzhou C. Beijing D.Tianjin
4.Every year many people from ________ come to Beijing.
A. all over the world B. America
C. Japan D. China
参考答案：C C C A
I have a sister .She is a good sister. She studies very well and she looks after me . She is very beautiful and kind.
When I am ill, she takes me to the hospital. The doctors and the nurses tell me , “You have a good sister!” I agree, “Yes , she is a good sister.”
Oh, I forger to tell you what my sister like.
Her favorite sport is swimming and she likes playing the piano.
I like my sister. I hope she is happy every day.
根据原文判断正误，对的写“T”，错的写“F”
( )1.I have a sister. She is a good sister.
( )2.She is not very beautiful and kind.
( )3.I am ill. Mother takes me to the hospital.
( )4.The doctors and the nurse tell me. “You have a good sister!”
( )5.Her favorite sport is playing football and she likes playing the piano.
( )6.I hope she is happy every day.
参考答案：T F F T F T
I like winter. Winter is very cold, and it snows in winter. I like snow, because it is white all over the world. How nice! There is snow on the roof ,on the tree, and on the ground.
When it snows, we can make a snowman, really exciting ! We give the snowman a red hat, and it is beautiful ! I like snow very much!
根据原文，选出你认为正确的选项。
( )1.I like winter. Winter is very __________.
A. Warm(温暖的) B. hot (热的)
C.cold D. snow
( ) 2.I like snow,because it is _______ all over the world.
A. yellow B. white
C.blue D.green
( )3.When it snows, we can make a snowman , really ______!
A. exciting B. nice
C.beautiful D.happy
( ) 4. What color is the snowman’s hat?
A. red B.white
C.blue D.green
参考答案：C B A A
初中数学合集百度网盘下载
链接：https://pan.baidu.com/s/1znmI8mJTas01m1m03zCRfQ
K12资源实时更新
来自:百度网盘
提取码: 1234
复制提取码跳转
?pwd=1234 提取码：1234
简介：初中数学优质资料下载，包括：试题试卷、课件、教材、视频、各大名师网校合集。 25天，16小时。
（1）甲每天生产：10÷5＝2，乙每天生产：9÷3＝3，125÷（2＋3）＝25天。
（2）假设工作量为1（总的工作量），则甲每小时做1/40，乙每小时做1/30，乙先做2个小时就是1/30×2=2/30。
然后设x为两人合作时间：2/30+（1/40+1/30）x=1（总的工作量），（1/40+1/30）x=14/15
通分：（3/120+4/120）x=14/15，7/120x=14/15，可得x=16小时。
扩展资料：
【篇一】
一、基本练习
1、口算：
61-41= 70-12= 82-48= 47-25=
48-26= 46+18= 26+26= 16+28=
35-29= 54-18= 51-17= 3500+2000=
300+500= 600+100= 800-700= 1500-500=
基础知识
为进一步提高孩子的学习能力，在暑假期间，暑假作业必是学生要完成的一项作业，而拥有一份答案可以更好起到对照作用。以下是我为大家准备了2021 二年级数学 暑假作业参考答案大全，欢迎参阅。
二年级数学暑假作业参考答案
第1页：
三、1、18+16-9=25(人)2、3×8+9=33(本)
3、10除以5=2(个);10除以2=5(人)
第2页：
【篇一】小学二年级下册数学作业题
1、口算。
73-9= 57-8= 86+8=
24-6= 18-10÷5= 42÷7+9=
36+2×6= 25÷（10÷2）= （54-30）÷4=
2、计算。
（1）一个砝码重6克，7个这样的砝码重多少克？
一、口算。
一、填空：
【 #二年级# 导语】很多学生在做阅读理解题时，总是丢分，甚至丢很多分。究其原因，貌似阅读理解做不好，实质上，是读书面太窄，对汉语的意蕴把握不够。要想把阅读理解做好，必须读足够的读物。以下是 考 网整理的《小学二年级英语暑假作业阅读理解题及答案》，希望帮助到您。
【篇一】
Beijing is the capital of China. It has a long history.
Beijing is a beautiful city. If you come to Beijing, you can visit many famous places, such as the Great Wall, the Summer Palace and so on. Every year many people from all over the world come to Beijing.
根据短文内容，选出你认为正确的选项。
1. Where is th capital of China?
A. Shanghai B. Guangzhou C. Beijing D.Tianjin
2. What do you think about Beijing? It is _______.
A. big B.small C. beautiful D.hot
3. The Great Wall is in _________.
A.Shanghai B. Guangzhou C. Beijing D.Tianjin
4.Every year many people from ________ come to Beijing.
A. all over the world B. America
C. Japan D. China
参考答案：C C C A
I have a sister .She is a good sister. She studies very well and she looks after me . She is very beautiful and kind.
When I am ill, she takes me to the hospital. The doctors and the nurses tell me , “You have a good sister!” I agree, “Yes , she is a good sister.”
Oh, I forger to tell you what my sister like.
Her favorite sport is swimming and she likes playing the piano.
I like my sister. I hope she is happy every day.
根据原文判断正误，对的写“T”，错的写“F”
( )1.I have a sister. She is a good sister.
( )2.She is not very beautiful and kind.
( )3.I am ill. Mother takes me to the hospital.
( )4.The doctors and the nurse tell me. “You have a good sister!”
( )5.Her favorite sport is playing football and she likes playing the piano.
( )6.I hope she is happy every day.
参考答案：T F F T F T
I like winter. Winter is very cold, and it snows in winter. I like snow, because it is white all over the world. How nice! There is snow on the roof ,on the tree, and on the ground.
When it snows, we can make a snowman, really exciting ! We give the snowman a red hat, and it is beautiful ! I like snow very much!
根据原文，选出你认为正确的选项。
( )1.I like winter. Winter is very __________.
A. Warm(温暖的) B. hot (热的)
C.cold D. snow
( ) 2.I like snow,because it is _______ all over the world.
A. yellow B. white
C.blue D.green
( )3.When it snows, we can make a snowman , really ______!
A. exciting B. nice
C.beautiful D.happy
( ) 4. What color is the snowman’s hat?
A. red B.white
C.blue D.green
参考答案：C B A A
初中数学合集百度网盘下载
链接：https://pan.baidu.com/s/1znmI8mJTas01m1m03zCRfQ
K12资源实时更新
来自:百度网盘
提取码: 1234
复制提取码跳转
?pwd=1234 提取码：1234
简介：初中数学优质资料下载，包括：试题试卷、课件、教材、视频、各大名师网校合集。 25天，16小时。
（1）甲每天生产：10÷5＝2，乙每天生产：9÷3＝3，125÷（2＋3）＝25天。
（2）假设工作量为1（总的工作量），则甲每小时做1/40，乙每小时做1/30，乙先做2个小时就是1/30×2=2/30。
然后设x为两人合作时间：2/30+（1/40+1/30）x=1（总的工作量），（1/40+1/30）x=14/15
通分：（3/120+4/120）x=14/15，7/120x=14/15，可得x=16小时。
扩展资料：
