题目内容
用竖式计算.
705-398=
475-387=
630-293=
912-468=
705-398=
475-387=
630-293=
912-468=
分析:根据整数加减法的计算方法进行计算即可得到答案.
解答:解:705-398=307;
![](http://thumb.1010pic.com/pic3/upload/images/201401/66/6710e008.png)
475-387=88;
![](http://thumb.1010pic.com/pic3/upload/images/201401/66/fc946d20.png)
630-293=337;
![](http://thumb.1010pic.com/pic3/upload/images/201401/66/86aa5f67.png)
912-468=444.
![](http://thumb.1010pic.com/pic3/upload/images/201401/66/a47eaa53.png)
![](http://thumb.1010pic.com/pic3/upload/images/201401/66/6710e008.png)
475-387=88;
![](http://thumb.1010pic.com/pic3/upload/images/201401/66/fc946d20.png)
630-293=337;
![](http://thumb.1010pic.com/pic3/upload/images/201401/66/86aa5f67.png)
912-468=444.
![](http://thumb.1010pic.com/pic3/upload/images/201401/66/a47eaa53.png)
点评:此题主要考查的是整数加减法计算方法的应用.
![](http://thumb2018.1010pic.com/images/loading.gif)
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