(5/6+1/25)*18+7/25,简便计算

问题描述:

(5/6+1/25)*18+7/25,简便计算

(5/6+1/25)*18+7/25
=5/6×18+1/25×18+7/25
=15+(1/25×18+7/25)
=15+1
=16