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【321497】六年级数学下册典型例题系列之第六单元第三讲加法简便计算专项练习(解析版)人教版

时间:2025-01-08 19:56:51 作者: 字数:7294字
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 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> 2021-2022学年六年级数学下册典型例题系列之

第六单元第三讲加法简便计算专项练习(解析版)

1.计算。

346178422654

【解析】

346178422654

=(346654)+(178422

1000600

1600

2.简便计算。

199899898

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

20002100021002

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

3.简便计算。

701697703704696

【解析】

701697703704696

=(700700700700700)+(13434

35001

3501

4.简便计算。

58394261

【解析】

58394261

=(5842)+(3961

100100

200

5.简便计算。

13829362107

【解析】

13829362107   

=(13862)+(293107

200400

600

6.简便计算。

125293175107

【解析】

125293175107

=(125175)+(293107

300400

700

7.用简便方法计算。

26983317                 321+(216179)  

34816652234         327199

【解析】

26983317    

269+(83317)       

269400                 

669                         

321+(216179

321179216

500216

716

34816652234    

=(34852)+(166234)     

400400                         

800                                 

327199

3272001

5271

526

8.能简算的要简算。

199226101            278325175            2437657124

【解析】

199226101    

199101226               

300226                       

526                                

278325175

278+(325175

278500

778

2437657124

=(24357)+(76124

300200

500

9.怎样简便怎样算。

15.20.90.1                    19.924.89.92                 7.52.57.52.5

【解析】

15.20.90.1

15.2+(0.90.1

15.21

16.2

19.924.89.92

19.929.924.8

104.8

14.8

7.52.57.52.5

=(7.57.5)+(2.52.5

05

5

10.简算。

21.43.6912.65.31            

【解析】

21.43.6912.65.31

21.412.63.695.31

=(21.412.6)+(3.695.31

349

43

11.简算。

1.46.753.25             

【解析】

1.46.753.25               

1.4+(6.753.25

1.410

11.4

12.用简便方法计算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

2.57.536.89

1036.89

46.89

13.简算。

3.37.836.7 

【解析】

3.37.836.7

3.36.77.83

107.83

17.83

14.简算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>        

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

13.86.21.372.63

20+(1.372.63

204

24

15.简便计算。

3.757.935.25

【解析】

3.757.935.25

3.755.257.93

97.93

16.93

16.简算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  

【解析】

1.293.30.716.7

=(1.290.71)+(3.36.7

210

12

17.简算。

4.163.814.195.84                      

【解析】

4.163.814.195.84

=(4.165.84)+(3.814.19

108

18                       

18.怎样简便就怎样计算。

6.46.672.333.6

【解析】

6.46.672.333.6

=(6.43.6)+(6.672.33

109

19

19.请用简便方法计算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>                 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>     

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>


20.计算下面各题,能简算的要简算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>                   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>                   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

=( <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a> )+( <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

11

2

21.能简算的要简算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>      <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>           

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>


22.脱式计算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>                      <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>                       

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

3

23.简算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>    

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

24.简算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>           

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

= <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

= <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

= <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>


25.计算下面各题,怎样简便就怎样算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>            <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>            <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

3 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

26.计算下面各题,能简算的要简算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>                            <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

【解析】

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/43/" title="加法" class="c1" target="_blank">加法</a> <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/96/" title="典型" class="c1" target="_blank">典型</a> <a href="/tags/97/" title="系列" class="c1" target="_blank">系列</a>

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