已知(a+1)²与(b-2)互为相反数,求-a-b+(a-b/a+b)的值
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已知(a+1)²与(b-2)互为相反数,求-a-b+(a-b/a+b)的值
已知(a+1)²与(b-2)互为相反数,求-a-b+(a-b/a+b)的值
已知(a+1)²与(b-2)互为相反数,求-a-b+(a-b/a+b)的值
(a+1)2=2-b