(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

(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