[中學] 指數
1. 對於所有的正整數a,b,c
其中1<a<b<c, 求滿足 (a-1)(b-1)(c-1) 為 a*b*c-1 的因數
的所有解?
2. y^x=x^50
求滿足此方程式的正整數對有幾組?
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推
02/07 22:29, , 1F
02/07 22:29, 1F
→
02/07 22:32, , 2F
02/07 22:32, 2F
→
02/07 22:34, , 3F
02/07 22:34, 3F
推
02/07 22:43, , 4F
02/07 22:43, 4F
→
02/07 22:43, , 5F
02/07 22:43, 5F
→
02/07 22:45, , 6F
02/07 22:45, 6F
→
02/07 22:46, , 7F
02/07 22:46, 7F
→
02/07 22:47, , 8F
02/07 22:47, 8F
推
02/07 22:49, , 9F
02/07 22:49, 9F
→
02/07 23:03, , 10F
02/07 23:03, 10F
→
02/08 08:05, , 11F
02/08 08:05, 11F
推
02/08 10:16, , 12F
02/08 10:16, 12F
推
02/09 00:11, , 13F
02/09 00:11, 13F
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