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解由X的平方-4xy+5Y的平方+6Y+9=0即X的平方-4xy+4Y的平方+Y的平方+6Y+9=0即(x-2y)²;+(y+3)²;=0即x-2y=0,y+3=0即x=-6,y=-3即二分之X的2011次方*Y分之1的2013次方=二分之X的2011次方*Y分之1的2011次方*Y分…
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