题目内容
用竖式计算下列各题.
205×4= | 62×4= | 942÷3= | 7028÷7= | 304÷5= | 215-198= |
分析:根据第二个因数是两位数(或三位数)的乘法竖式计算的方法求解.
解答:解:(1)205×4=820;
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/3643f9f5.png)
(2)62×4=248;
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/f408f8af.png)
(3)942÷3=314;
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/70bf038a.png)
(4)7028÷7=1004;
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/7e13ce28.png)
(5)304÷5=60…4;
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/00411579.png)
(6)215-198=17.
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/c82e1168.png)
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/3643f9f5.png)
(2)62×4=248;
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/f408f8af.png)
(3)942÷3=314;
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/70bf038a.png)
(4)7028÷7=1004;
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/7e13ce28.png)
(5)304÷5=60…4;
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/00411579.png)
(6)215-198=17.
![](http://thumb.1010pic.com/pic3/upload/images/201212/83/c82e1168.png)
点评:本题考查了基本的乘法竖式计算,要注意数位的对齐情况和进位的情况.
![](http://thumb2018.1010pic.com/images/loading.gif)
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