题目内容
列竖式计算(第①②两题要验算,第③题商要用循环小数表示.) ①7.08×4.5; |
②4.692÷0.6; |
③1.44÷1.1. |
分析:根据小数乘除法的计算方法进行计算;注意验算方法的选择.
解答:解:①7.08×4.5=31.86
![](http://thumb.1010pic.com/pic3/upload/images/201401/62/b18dec5a.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201401/62/3a303b77.png)
②4.692÷0.6=7.82
![](http://thumb.1010pic.com/pic3/upload/images/201401/62/053d18ce.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201401/62/8ec719a0.png)
③1.44÷1.1=1.3
![](http://thumb.1010pic.com/pic3/upload/images/201401/62/071f82c5.png)
![](http://thumb.1010pic.com/pic3/upload/images/201401/62/b18dec5a.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201401/62/3a303b77.png)
②4.692÷0.6=7.82
![](http://thumb.1010pic.com/pic3/upload/images/201401/62/053d18ce.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201401/62/8ec719a0.png)
③1.44÷1.1=1.3
? |
0 |
? |
9 |
![](http://thumb.1010pic.com/pic3/upload/images/201401/62/071f82c5.png)
点评:考查了小数乘除法的笔算,根据各自的计算方法进行计算;注意验算方法的选择.
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目