推 Starvilo :2.(4,6,8)=24為一周期,一周期有兩次,122/24=5..2 10/11 17:22
→ Starvilo :5*2+1=11? 兩次用數的XD 10/11 17:22
推 Starvilo :討論4k+1,4k+2=6n+1~3=8q+1~4 ,k<6,n<3,q<2屬於正整 10/11 17:38
→ Starvilo :發現只有4k+1=6n+1=8q+1 (0,0,0),4k+1=6n+3=8q+1 10/11 17:39
→ Starvilo :(2,1,1)兩組 10/11 17:40
→ Starvilo :q<3抱歉~ 10/11 17:41
→ Starvilo :n<4 10/11 17:41
推 mack :應該是5*2+2=12天 10/11 21:23
推 Starvilo :對齁~4k+2=6n+2=8q+2 (0,0,0)也是XD 5*3+2=17= = 10/11 22:22