(3分之1+2.4*6分之1)/0.22简算
问题描述:
(3分之1+2.4*6分之1)/0.22简算
答
(3分之1+2.4*6分之1)/0.22
=(1/3+2/5)/0.22
=11/15×50/11
=10/3
=3又1/3