|a+1|+根号下8-b=0所以a+1=0 8-b=0a=-1 b=8所以a-b=-1-8=-9
a-b=-1-根号下8
|a+1|+根号下8-b=0满足上式的条件是a+1=08-b=0解得 a=-1 b=8则a-b=-1-8=-9希望能帮到你，祝学习进步O(∩_∩)O
|a+1|+根号下8-b=0推出 a=-1 b=8a-b=-1-8=-9
