2 加2分之1X等于X,求解?

2025-12-13 21:31:38
推荐回答(2个)
回答1:

2+1/2x=x
解:1/2x=2
x=4

回答2:

2+x/2=x
(1-1/2)x=2
x=2÷(1-1/2)
x=4