0.36乘7.5+0.036乘25的简便计算

问题描述:

0.36乘7.5+0.036乘25的简便计算

0.36*7.5+0.036*25=0.36*7.5+0.36*2.5
=0.36*(7.5+2.5)
=0.36*10
=3.6