... 皆為完全平方數) 1 1 1 1 (2) ( 105 × 107 106 × 108 107 × 109 108 × 110 1 ... ( 109 × 111 1062 ) = × ) × ( 1072 = 106 × 108 106 21 111 22 × × + 1) × ( 106 ...
確定! 回上一頁