問題詳情
4.已知 a、b、c 為相異正整數，且 a2＝b2＋c2，則下列敘述中，有多少個是『正確』的？ 甲：a－b 為 c2 的因數 乙：a＋c 為 b2 的因數 丙：b＋c 為 a2 的因數
(A)0 個
(B) 1 個
(C) 2 個
(D) 3 個
(A)0 個
(B) 1 個
(C) 2 個
(D) 3 個
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增
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