1⼀2{1⼀2【1⼀2(1⼀2X-3)-3】-3}=0

2024-11-25 18:46:02
推荐回答(2个)
回答1:

1/2{1/2【1/2(1/2X-3)-3】-3}=0
1/2(1/4(1/2x-3)-3/2-3)=0
6=1/4x-3/2-3
x=36+6
x=42

回答2:

A