7X-X/2=0.78要怎样计算
问题描述:
7X-X/2=0.78要怎样计算
答
(7-1/2)x=0.78
6.5x=0.78
x=0.12
7X-X/2=0.78要怎样计算
(7-1/2)x=0.78
6.5x=0.78
x=0.12