如果有理数a,b满足a+b<0,化简|1-(a+b)|-|-(a+b)|.
人气:149 ℃ 时间:2019-10-24 07:07:29
解答
我来回答;|a|=5,所以a=5或a=-5
a=5时,因为a+b=0,所以b=-5
a=-5时,因为a+b=0,所以b=5
|a-b|=|5-(-5)|=|5+5|=10
或者
|a-b|=|-5-5|=|-10|=10
所以|a-b|=10 25659
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