题目内容
列竖式计算,并验算.
60.5×0.33=
13.24×0.25=
43.7×7.4=
60.5×0.33=
13.24×0.25=
43.7×7.4=
分析:根据小数乘法的计算法则:先按照整数乘法法则算出积,再看因数中一共有几位小数,就从积的右边向左数出几位,点上小数点.据此计算.
解答:解:60.5×0.33=19.965;
![](http://thumb.1010pic.com/pic3/upload/images/201401/168/1ae74ab9.png)
13.24×0.25=3.31;
![](http://thumb.1010pic.com/pic3/upload/images/201401/168/11536c21.png)
43.7×7.4=323.38;
![](http://thumb.1010pic.com/pic3/upload/images/201401/169/b98f7ccd.png)
![](http://thumb.1010pic.com/pic3/upload/images/201401/168/1ae74ab9.png)
13.24×0.25=3.31;
![](http://thumb.1010pic.com/pic3/upload/images/201401/168/11536c21.png)
43.7×7.4=323.38;
![](http://thumb.1010pic.com/pic3/upload/images/201401/169/b98f7ccd.png)
点评:此题考查的目的是理解掌握小数乘法的计算法则,并且能够正确熟练地进行计算.
![](http://thumb2018.1010pic.com/images/loading.gif)
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