题目内容
若|x+2y-5|与(3x-y-1)2互为相反数,则x+y=________.
若|x-2y+5|与互为相反数,则为
A.1
B.
C.
D.2
若|3x+2y-4|与8(5x+7y-3)2互为相反数,则x=________,y=________.
若│3x+2y-4│与互为相反数,则x,y的值是
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