3道初一数学题(要全过程)急需!1、已知X不等于Y,X^2-X=Y^2-Y,求X+Y的值.2、已知(X^2+Y^2)(X^2-1+Y^2)=6,求X^2+Y^2的值.3、已知2X^2-MX-5=(X-1)(2X+N),求M,N的值.(以上三题都要全过程)
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![3道初一数学题(要全过程)急需!1、已知X不等于Y,X^2-X=Y^2-Y,求X+Y的值.2、已知(X^2+Y^2)(X^2-1+Y^2)=6,求X^2+Y^2的值.3、已知2X^2-MX-5=(X-1)(2X+N),求M,N的值.(以上三题都要全过程)](/uploads/image/z/5333548-4-8.jpg?t=3%E9%81%93%E5%88%9D%E4%B8%80%E6%95%B0%E5%AD%A6%E9%A2%98%EF%BC%88%E8%A6%81%E5%85%A8%E8%BF%87%E7%A8%8B%EF%BC%89%E6%80%A5%E9%9C%80%211%E3%80%81%E5%B7%B2%E7%9F%A5X%E4%B8%8D%E7%AD%89%E4%BA%8EY%2CX%5E2-X%3DY%5E2-Y%2C%E6%B1%82X%2BY%E7%9A%84%E5%80%BC.2%E3%80%81%E5%B7%B2%E7%9F%A5%EF%BC%88X%5E2%2BY%5E2%29%28X%5E2-1%2BY%5E2%29%3D6%2C%E6%B1%82X%5E2%2BY%5E2%E7%9A%84%E5%80%BC.3%E3%80%81%E5%B7%B2%E7%9F%A52X%5E2-MX-5%3D%28X-1%29%282X%2BN%29%2C%E6%B1%82M%2CN%E7%9A%84%E5%80%BC.%28%E4%BB%A5%E4%B8%8A%E4%B8%89%E9%A2%98%E9%83%BD%E8%A6%81%E5%85%A8%E8%BF%87%E7%A8%8B%29)
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