又因为|a-b-1|与3（a-2b+3）2互为相反数，
所以
|
解方程组得
|
已知|a-b-1|与3（a-2b+3）2互为相反数，求a和b的值．
已知|a-b-1|与3（a-2b+3）2互为相反数，求a和b的值．
数学人气：824 ℃时间：2019-08-19 00:32:48
优质解答
∵|a-b-1|≥0，3（a-2b+3）2≥0
又因为|a-b-1|与3（a-2b+3）2互为相反数，
所以
，
解方程组得
．
又因为|a-b-1|与3（a-2b+3）2互为相反数，
所以
解方程组得
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