1⼀50X+1⼀40*(46-X)=1解方程,要有过程!!!

2025-01-24 06:37:14
推荐回答(1个)
回答1:

解:
1/50x+46/40-1/40x=1
(1/50-1/40)x=1-23/20
-1/200x=-3/20
x=3/20×200
x=30