8.6*0.99的简便运算
问题描述:
8.6*0.99的简便运算
答
8.6*0.99
=8.6*(1-0.01)
=8.6-0.086
=8.514
8.6*0.99的简便运算
8.6*0.99
=8.6*(1-0.01)
=8.6-0.086
=8.514