(2x+y)^2-2(2x+y)(x-y)+(x-y)^2的值,其中x,y是二元一次方程组2x-3y=13 3x+2y=0的解.
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![(2x+y)^2-2(2x+y)(x-y)+(x-y)^2的值,其中x,y是二元一次方程组2x-3y=13 3x+2y=0的解.](/uploads/image/z/320384-56-4.jpg?t=%282x%2By%29%5E2-2%282x%2By%29%28x-y%29%2B%28x-y%29%5E2%E7%9A%84%E5%80%BC%2C%E5%85%B6%E4%B8%ADx%2Cy%E6%98%AF%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%842x-3y%3D13+3x%2B2y%3D0%E7%9A%84%E8%A7%A3.)
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(2x+y)^2-2(2x+y)(x-y)+(x-y)^2的值,其中x,y是二元一次方程组2x-3y=13 3x+2y=0的解.
(2x+y)^2-2(2x+y)(x-y)+(x-y)^2的值,其中x,y是二元一次方程组2x-3y=13 3x+2y=0的解.
(2x+y)^2-2(2x+y)(x-y)+(x-y)^2的值,其中x,y是二元一次方程组2x-3y=13 3x+2y=0的解.
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