6.25x3.7+0.625x62+62.5x0.01的简便计算方法

问题描述:

6.25x3.7+0.625x62+62.5x0.01的简便计算方法

=6.25x3.7+6.25x6.2+6.25x0.1
=6.25×(3.7+6.2+0.1)
=6.25×10
=62.5