已知x²+y²-10x+8y-41=0,求(2x-y)²-2(2x-y)(x+2y)+(x+2y)²的值.
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已知x²+y²-10x+8y-41=0,求(2x-y)²-2(2x-y)(x+2y)+(x+2y)²的值.已知x²+y²-10x+8y-41
已知x²+y²-10x+8y-41=0,求(2x-y)²-2(2x-y)(x+2y)+(x+2y)²的值.
已知x²+y²-10x+8y-41=0,求(2x-y)²-2(2x-y)(x+2y)+(x+2y)²的值.
已知x²+y²-10x+8y-41=0,求(2x-y)²-2(2x-y)(x+2y)+(x+2y)²的值.