[中學] 數論倒數和問題
1 1 1
設 a1<a2<a3<...<an 且皆為正整數,滿足 1 = --- + --- + ...+ ---
a1 a2 an
求 (a1, a2, ... , an) 所有可能的解 = __________
如: 1 = 1/2 + 1/3 + 1/6 => (2, 3, 6)
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推
06/24 13:53, , 1F
06/24 13:53, 1F
→
06/24 14:01, , 2F
06/24 14:01, 2F
推
06/24 21:16, , 3F
06/24 21:16, 3F
→
06/24 21:17, , 4F
06/24 21:17, 4F