若X+2的绝对值+y-3的绝对值=0,则X-y=???????????? 大家帮帮忙吧~~~~

2025-05-07 17:00:20
推荐回答(1个)
回答1:

X+2的绝对值+y-3的绝对值=0

x+2=0
y-3=0

x=-2
y=3

x-y=-2-3=-5