x-(1⼀2+1⼀4)=5⼀12怎么解

2025-08-09 02:49:31
推荐回答(1个)
回答1:

1/2{x-1/2[x-1/2]}=2
x-1/2[x-1/2]=4
2x-[x-1/2]=8
2x-x+1/2=8
x=8-1/2
x=15/2