简算2
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/16 05:53:14
![](http://img.wesiedu.com/upload/c/b7/cb786184d9ff2eda3c86eb52f76160a0.jpg)
![简算2](/uploads/image/z/20027960-8-0.jpg?t=%E7%AE%80%E7%AE%972)
解题思路: 本题主要根据乘法分配律来进行计算即可解答
解题过程:
25×10.7-25×0.7
=25×(10.7-0.7)
=25×10
=250
6.4×99
=6.4×(100-1)
=6.4×100-6.4×1
=640-6.4
=633.6
解题过程:
25×10.7-25×0.7
=25×(10.7-0.7)
=25×10
=250
6.4×99
=6.4×(100-1)
=6.4×100-6.4×1
=640-6.4
=633.6