0.98乘于7.2怎么简算
问题描述:
0.98乘于7.2怎么简算
答
(1-0.02)*7.2=7.2-0.144=7.056
答
0.98乘于7.2
=(1-0.02)*7.2
=1*7.2-0.02*7.2
=7.2-0.144
=7.056