n has to be odd. If k>=3, mod 8 on both sides, we have 5 = 1 (mod 8), which is wrong.
k=1 or 2 leads no solution
No solution
所有跟帖:
• K=0, n=4不就是一組解嗎? -萬斤油- ♂ (0 bytes) () 10/17/2014 postreply 15:18:56
n has to be odd. If k>=3, mod 8 on both sides, we have 5 = 1 (mod 8), which is wrong.
k=1 or 2 leads no solution
• K=0, n=4不就是一組解嗎? -萬斤油- ♂ (0 bytes) () 10/17/2014 postreply 15:18:56
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