题目内容
用竖式计算,第3小题要验算.
69×12= | 748÷34= | 919÷17= |
分析:根据整数乘除法的计算法则进行计算即可.
解答:解:(1)69×12=828;
![](http://thumb.1010pic.com/pic3/upload/images/201301/48/7de5f2fc.png)
(2)748÷34=22;
![](http://thumb.1010pic.com/pic3/upload/images/201301/48/40c3cf37.png)
(3)919÷17=54…1;
![](http://thumb.1010pic.com/pic3/upload/images/201301/48/e3c15560.png)
![](http://thumb.1010pic.com/pic3/upload/images/201301/48/7de5f2fc.png)
(2)748÷34=22;
![](http://thumb.1010pic.com/pic3/upload/images/201301/48/40c3cf37.png)
(3)919÷17=54…1;
![](http://thumb.1010pic.com/pic3/upload/images/201301/48/e3c15560.png)
点评:考查了整数乘除法的计算法则及除法的验算法则.
![](http://thumb2018.1010pic.com/images/loading.gif)
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用竖式计算,第3小题要验算.
69×12= | 748÷34= | 919÷17= |