2:(x-1)=4⼀5

2025-02-24 18:02:51
推荐回答(2个)
回答1:

x-1=2÷4/5
x-1=2×5/4
x-1=5/2
x=7/2
满意望采纳

回答2:

2:(x-1)=4/5
4(x-1)=10
4x=14
x=7/2