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【319154】【分层训练】4.2 解决问题 二年级下册数学同步练习 人教版(含答案)

时间:2025-01-07 21:12:50 作者: 字数:3655字
简介:
试题简介
考察范围:本试卷主要围绕二年级下册数学“表内除法(二)”单元,考查学生对除法概念、除法运算、除法应用等的理解和掌握。

难易程度:整体难度适中。填空题和判断题较为基础,主要考查学生对除法概念和运算的理解;计算题和应用题有一定综合性,需要学生具备一定的分析和解决问题的能力。

试题亮点:

• 贴近生活实际:题目设计与学生生活密切相关,如分桃子、分苹果等,让学生感受到数学在生活中的应用。

• 注重思维培养:通过除法运算和应用题的解答,培养学生的逻辑思维和问题解决能力。

• 拓展运用:通过“提升训练”部分,引导学生将所学知识应用于实际问题,提升综合素养。

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 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> 第四单元:表内除法(二)

2课时:解决问题

班级:  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> 姓名: 等级:

【基础训练】

一.填空题

1.把9个梨平均放在3个盘子里,求每个盘子里有多少个,也就是求  里有几个  

2.请帮小马虎改错.

1)小马虎做除法时,把除数6看成9了,结果商是2,正确的商是  

2)小马虎做乘法时,把一个乘数6看成8了,结果积是48,正确的积是  

3.妈妈买来16个桃子,分给姐姐和妹妹2个人,平均每个人分到  个桃子,列式为  

4.每3根小棒摆一个三角形,27根小棒可以摆  个三角形.算式是  

5.填一填.

被除数

21

45

49

  

72

48

除数

3

  

7

9

8

  

  

9

  

9

  

8

6.把14个苹果平均分给7个小朋友,每个小朋友可以  个.

7.利用 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> 写出两个除法算式:   <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>    <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>      <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>    <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>   

二.判断题

820个皮球,每箱装9个,2个箱子就能把球都装下.  

9 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> 可表示把12 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> 平均分成3份,每份是4个.  

三.计算题

10.在□里填上不同的算式.

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

【提升训练】

四.应用题

11.明明和丽丽进行书法比赛,明明3分钟写了27个毛笔字,丽丽5分钟写了40个毛笔字,谁写得快?

12.毛毛和皮皮进行写字比赛,毛毛4分钟写了36个字,皮皮5分钟写了40个字,他们两个谁写得快?

13.一本故事书5元.

135元钱可以买多少本故事书?

2)王老师买了9本故事书,一共花了多少钱?

 

 

 

 

 

 

 

 

参考答案

一.填空题

1解:求9里有几个3

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答:每个盘子里有3个。

答案:93

2解:(1 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答:正确的商是3

2 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答:正确的积是36

答案:336

3解: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答:平均每个人分到8个桃子.

答案:8 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

4解: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答:27根小棒可以摆9个三角形.

答案:9 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

5解: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答案:

被除数

21

45

49

81

72

48

除数

3

5

7

9

8

6

7

9

7

9

9

8

6解: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答:每个小朋友可以2个.

答案:2

7解:利用 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> 写出两个除法算式: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答案:56785687

二.判断题

8解: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

所以2个箱子不能把球都装下,所以原题说法错误.

答案: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

9解: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> 可以表示两种意义:

表示把12 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> 平均分成4份,每份是3个;

4 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> 分一组,12 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> 可以分成3组.

原题说法错误.

答案: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

三.计算题

10解:

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

四.应用题

11解: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答:明明写得快.

12解: <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (个 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答:毛毛写得快.

13解:(1 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (本 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答:35元钱可以买7本故事书.

2 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a> (元 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/47/" title="解决" class="c1" target="_blank">解决</a>

答:王老师买了9本故事书,一共花了45元钱.

 

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