几道超难的数学题,天才进1.设a+b+c+3=2【〔根号a〕+〔根号b+1〕+〔根号c-1〕】,则A的平方+B的平方+C的平方=2.在实数范围内分解因式3x2-x-1=0
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![几道超难的数学题,天才进1.设a+b+c+3=2【〔根号a〕+〔根号b+1〕+〔根号c-1〕】,则A的平方+B的平方+C的平方=2.在实数范围内分解因式3x2-x-1=0](/uploads/image/z/1157918-14-8.jpg?t=%E5%87%A0%E9%81%93%E8%B6%85%E9%9A%BE%E7%9A%84%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E5%A4%A9%E6%89%8D%E8%BF%9B1.%E8%AE%BEa%2Bb%2Bc%2B3%3D2%E3%80%90%E3%80%94%E6%A0%B9%E5%8F%B7a%E3%80%95%2B%E3%80%94%E6%A0%B9%E5%8F%B7b%2B1%E3%80%95%2B%E3%80%94%E6%A0%B9%E5%8F%B7c-1%E3%80%95%E3%80%91%2C%E5%88%99A%E7%9A%84%E5%B9%B3%E6%96%B9%2BB%E7%9A%84%E5%B9%B3%E6%96%B9%2BC%E7%9A%84%E5%B9%B3%E6%96%B9%3D2.%E5%9C%A8%E5%AE%9E%E6%95%B0%E8%8C%83%E5%9B%B4%E5%86%85%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F3x2-x-1%3D0)
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