简便运算36*1.28+8.2*3.6-3.6
问题描述:
简便运算36*1.28+8.2*3.6-3.6
答
36x1.28+8.2x3.6-3.6
=36x1.28+(8.2-1)x3.6
=3.6x12.8+7.2x3.6
=(12.8+7.2)x3.6
=20x3.6
=72满意请采纳谢谢你,非常满意,现在懂了求采纳采纳了没有啊,你再看看吧,谢了