(15-7.5)x=0.75*2
问题描述:
(15-7.5)x=0.75*2
答
(15-7.5)x=0.75*2
7.5x=1.5
x=1.5/7.5
x=0.2
(15-7.5)x=0.75*2
(15-7.5)x=0.75*2
7.5x=1.5
x=1.5/7.5
x=0.2