题目内容
列竖式计算下面各题. 16.2÷4.5 |
11.05÷1.3 | 6.72÷2.8 |
0.72÷0.18 | 2.55÷1.5 | 26.88÷0.12. |
分析:先根据商不变规律,把除数的小数点向右移动,变成整数,然后把被除数的小数点也向右移动相同的位数,然后根据除数是整数的除法竖式计算的方法求解.
解答:解:16.2÷4.5=3.6
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/1b94ac4a.png)
11.05÷1.3=8.5
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/e630b73d.png)
6.72÷2.8=2.4
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/7de46b38.png)
0.72÷0.18=4
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/7da886c3.png)
2.55÷1.5=1.7
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/2c1db2e2.png)
26.88÷0.12=224
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/27c5d076.png)
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/1b94ac4a.png)
11.05÷1.3=8.5
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/e630b73d.png)
6.72÷2.8=2.4
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/7de46b38.png)
0.72÷0.18=4
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/7da886c3.png)
2.55÷1.5=1.7
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/2c1db2e2.png)
26.88÷0.12=224
![](http://thumb.1010pic.com/pic3/upload/images/201401/171/27c5d076.png)
点评:本题考查了有关小数除法的计算,注意小数位数的变化,把数位对齐.
![](http://thumb2018.1010pic.com/images/loading.gif)
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