X-0.25X=22.5怎样解
问题描述:
X-0.25X=22.5怎样解
答
0.75x=22.5
x=30
答
X=30
1X-0.25X=22.5
0.75X=22.5
X=22.5/0.75
X=30
答
(1-0.25)x=22.5
0.75x=22.5
x=22.5÷0.75
x=30
答
x-0.25x=22.5
0.75x=22.5
x=22.5÷0.75
x=30