已知有理数a b c满足|a-b-3|+(b+1)的平方+|c-1|=0,求(-3ab)×(a的平方c-6b的平方c)的值快.
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![已知有理数a b c满足|a-b-3|+(b+1)的平方+|c-1|=0,求(-3ab)×(a的平方c-6b的平方c)的值快.](/uploads/image/z/1998303-15-3.jpg?t=%E5%B7%B2%E7%9F%A5%E6%9C%89%E7%90%86%E6%95%B0a+b+c%E6%BB%A1%E8%B6%B3%7Ca-b-3%7C%2B%28b%2B1%29%E7%9A%84%E5%B9%B3%E6%96%B9%2B%7Cc-1%7C%3D0%2C%E6%B1%82%28-3ab%29%C3%97%28a%E7%9A%84%E5%B9%B3%E6%96%B9c-6b%E7%9A%84%E5%B9%B3%E6%96%B9c%29%E7%9A%84%E5%80%BC%E5%BF%AB.)
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