题目内容
列竖式计算,打*的要验算
①*74÷5= | ②608÷3= | ③5×470= | ④438÷4= | ⑤308×4= | ⑥*630÷3= |
分析:根据除数是一位数的除法法则及一位数乘多位数的乘法法则直接列竖式计算即可.
解答:解:①74÷5=14…4;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/3a7a90b6.png)
验算:
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/84033721.png)
②608÷3=202…2;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/b3bb9241.png)
③5×470=2350;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/49402d0f.png)
④438÷4=109…2;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/44b652f7.png)
⑤308×4=1232;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/6487ef10.png)
⑥630÷3=210;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/f3d8d0a5.png)
验算:
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/7a18533b.png)
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/3a7a90b6.png)
验算:
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/84033721.png)
②608÷3=202…2;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/b3bb9241.png)
③5×470=2350;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/49402d0f.png)
④438÷4=109…2;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/44b652f7.png)
⑤308×4=1232;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/6487ef10.png)
⑥630÷3=210;
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/f3d8d0a5.png)
验算:
![](http://thumb.zyjl.cn/pic3/upload/images/201301/34/7a18533b.png)
点评:根据整数的乘除法的计算法则进行计算即可,注意有余数的除法,得到的余数一定小于除数.
![](http://thumb.zyjl.cn/images/loading.gif)
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