已知5(a+3)的平方+2乘b-2的绝对值=0,要求代数式a的平方乘b-【a的平方乘b-(2abc-a的平方-3a的平方乘b)-a的平方乘c】的值,可选择的条件有1.不添加条件;2.添加c=2分之1;3.添加-xc+2的乘方乘y是3次
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![已知5(a+3)的平方+2乘b-2的绝对值=0,要求代数式a的平方乘b-【a的平方乘b-(2abc-a的平方-3a的平方乘b)-a的平方乘c】的值,可选择的条件有1.不添加条件;2.添加c=2分之1;3.添加-xc+2的乘方乘y是3次](/uploads/image/z/14321373-69-3.jpg?t=%E5%B7%B2%E7%9F%A55%28a%2B3%29%E7%9A%84%E5%B9%B3%E6%96%B9%2B2%E4%B9%98b-2%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%3D0%2C%E8%A6%81%E6%B1%82%E4%BB%A3%E6%95%B0%E5%BC%8Fa%E7%9A%84%E5%B9%B3%E6%96%B9%E4%B9%98b-%E3%80%90a%E7%9A%84%E5%B9%B3%E6%96%B9%E4%B9%98b-%EF%BC%882abc-a%E7%9A%84%E5%B9%B3%E6%96%B9-3a%E7%9A%84%E5%B9%B3%E6%96%B9%E4%B9%98b%EF%BC%89-a%E7%9A%84%E5%B9%B3%E6%96%B9%E4%B9%98c%E3%80%91%E7%9A%84%E5%80%BC%2C%E5%8F%AF%E9%80%89%E6%8B%A9%E7%9A%84%E6%9D%A1%E4%BB%B6%E6%9C%891.%E4%B8%8D%E6%B7%BB%E5%8A%A0%E6%9D%A1%E4%BB%B6%EF%BC%9B2.%E6%B7%BB%E5%8A%A0c%3D2%E5%88%86%E4%B9%8B1%EF%BC%9B3.%E6%B7%BB%E5%8A%A0-xc%2B2%E7%9A%84%E4%B9%98%E6%96%B9%E4%B9%98y%E6%98%AF3%E6%AC%A1)
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