-{-[+(-5)]}与_5__互为相反数 -（a-b）与_a-b___互为相反数,-6的绝对值是__6_再问几个，一定采纳！
-|-1.5 |= 绝对值不大于3的整数——————
- |-4 |=-|-1.5 |= -1.5
绝对值不大于3的整数 -2，-1,0,1,2——————
- |-4 |=-4