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題目有誤:若題目正確,則上中下三條線上三數相乘相等,由於上中下三條線上九個圈內數位不會重複,則有以下等式: a11*a12*a13=a21*a22*a23 =a31*a32*a33 (其中aij,i為行號,j為列號,且aij唯一在 1
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