已知绝对值2006-a=根号a-2007=a,求a-2006的平方+18的值.
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![已知绝对值2006-a=根号a-2007=a,求a-2006的平方+18的值.](/uploads/image/z/592617-57-7.jpg?t=%E5%B7%B2%E7%9F%A5%E7%BB%9D%E5%AF%B9%E5%80%BC2006-a%3D%E6%A0%B9%E5%8F%B7a-2007%3Da%2C%E6%B1%82a-2006%E7%9A%84%E5%B9%B3%E6%96%B9%2B18%E7%9A%84%E5%80%BC.)
已知绝对值2006-a=根号a-2007=a,求a-2006的平方+18的值.
已知绝对值2006-a=根号a-2007=a,求a-2006的平方+18的值.
已知绝对值2006-a=根号a-2007=a,求a-2006的平方+18的值.
因为a-2007>0
所以a>2007
因为2006
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