(1-1/40乘6-1/60x)除以(1/60+1/40)=32
问题描述:
(1-1/40乘6-1/60x)除以(1/60+1/40)=32
求x
答
[1-1/40*6-1/60X]/[1/60+1/40]=32
[1-3/20-1/60X]*24=32
17/20-1/60X=4/3
17/20-4/3=1/60X
1/60X=-29/60
X=-29