(0.25+3分之1)×(1.6÷5分之4)的简算?
问题描述:
(0.25+3分之1)×(1.6÷5分之4)的简算?
答
(0.25+3分之1)×(1.6÷5分之4)
=(1/4+1/3)x8/5÷5/4
=(1/4+1/3)x8/4
=7/12x2
=7/6