七下数学乘法公式的运用已知m²+n²-6m+10n+34=0,求m+n的值.已知x²+y²+4x-6y+13=0,x、y都是有理数,求x的y次方.已知a+b=6,ab=4,求a²b+3a²b²+ab²的值.已知x²+y²-2x-4y+5=0,求二分
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![七下数学乘法公式的运用已知m²+n²-6m+10n+34=0,求m+n的值.已知x²+y²+4x-6y+13=0,x、y都是有理数,求x的y次方.已知a+b=6,ab=4,求a²b+3a²b²+ab²的值.已知x²+y²-2x-4y+5=0,求二分](/uploads/image/z/669793-49-3.jpg?t=%E4%B8%83%E4%B8%8B%E6%95%B0%E5%AD%A6%E4%B9%98%E6%B3%95%E5%85%AC%E5%BC%8F%E7%9A%84%E8%BF%90%E7%94%A8%E5%B7%B2%E7%9F%A5m%26%23178%3B%2Bn%26%23178%3B-6m%2B10n%2B34%3D0%2C%E6%B1%82m%2Bn%E7%9A%84%E5%80%BC.%E5%B7%B2%E7%9F%A5x%26%23178%3B%2By%26%23178%3B%2B4x-6y%2B13%3D0%2Cx%E3%80%81y%E9%83%BD%E6%98%AF%E6%9C%89%E7%90%86%E6%95%B0%2C%E6%B1%82x%E7%9A%84y%E6%AC%A1%E6%96%B9.%E5%B7%B2%E7%9F%A5a%2Bb%3D6%2Cab%3D4%2C%E6%B1%82a%26%23178%3Bb%2B3a%26%23178%3Bb%26%23178%3B%2Bab%26%23178%3B%E7%9A%84%E5%80%BC.%E5%B7%B2%E7%9F%A5x%26%23178%3B%2By%26%23178%3B-2x-4y%2B5%3D0%2C%E6%B1%82%E4%BA%8C%E5%88%86)
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