(1-5⼀2)x=400用方程

2025-06-27 02:56:00
推荐回答(1个)
回答1:

(1-5/2)x=400
-3/2x=400
x=-800/3
题目可能是:
(1-2/5)x=400
3/5x=400
x=2000/3