(0.4+2/3)÷(5/6-0.75)×0.5能的话请发一下
问题描述：
(0.4+2/3)÷(5/6-0.75)×0.5
能的话请发一下
答
(0.4+2/3)÷(5/6-0.75)×0.5
=(2/5+2/3)÷(5/6-3/4)×1/2
=(2/5+2/3)÷1/12×1/2
=16/15×12×1/2
=32/5