x²-2xy+y²分之x²+2xy-3y³如何因式分解RT.
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![x²-2xy+y²分之x²+2xy-3y³如何因式分解RT.](/uploads/image/z/1008812-20-2.jpg?t=x%26%23178%3B-2xy%2By%26%23178%3B%E5%88%86%E4%B9%8Bx%26%23178%3B%2B2xy-3y%26%23179%3B%E5%A6%82%E4%BD%95%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3RT.)
x²-2xy+y²分之x²+2xy-3y³如何因式分解RT.
x²-2xy+y²分之x²+2xy-3y³如何因式分解
RT.
x²-2xy+y²分之x²+2xy-3y³如何因式分解RT.
(x+3y)(x-y)/(x-y)(x-y)
=x+3y/x-y
x²-2xy+y²分之x²+2xy-3y²
=(x+3y)(x-y)/(x-y)²
=x+3y/x-y
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