y-1⼀2=2-y+2⼀5

2025-04-25 23:28:02
推荐回答(3个)
回答1:


回答2:

y-1/2=2-y+2/5
解:y+y=12/5+1/2
2y=29/10
y=29/20

回答3:

y-1/2=2-y+2/5解:y+y=12/5+1/22y=29/10y=29/20