(x+1.2)x5除以2=7.5
问题描述:
(x+1.2)x5除以2=7.5
答
1.8
答
(x+1.2) * 5=15
x+1.2=3
x=1.8
答
.
(x+1.2)x5=15
x+1.2=3
x=1.8
答
x=1.8