2.4乘1.025加33.1乘7.6(要简便运算)要过程.是

问题描述:

2.4乘1.025加33.1乘7.6(要简便运算)要过程.

2.4乘1.025加33.1乘7.6
=2.46+251.56
=2+251+(0.46+0.56)
=253+1.02
=254.02