314*0.04 3.14*7.2简便运算?

2025-04-16 07:18:07
推荐回答(1个)
回答1:

简便计算
314x0.04+3.14x7.2
=3.14x4+3.14x7.2
=3.14x(4+7.2)
=3.14x11.2
=35.168