| 發布者 | 內容列 | 訪客
|  Very Hard 數列 |  | 1,2,5,14,41,122,x
x=? |
|  2006-04-02 20:23 | | 訪客
| | Re: Very Hard 數列 | | 365 |
| | 2006-04-02 20:24 | | 訪客
| | Re: Very Hard 數列 | | 不難!!!! 之間的差為3的次方倍 |
| | 2006-04-02 20:25 | | 訪客
| | Re: Very Hard 數列 | | 前項乘三減一，得後項 |
| | 2006-04-07 13:27 | | 94006
Home away from home
註冊日: 2005-09-20
發表數: 161
武陵高中
| | Re: Very Hard 數列 | | 365
_________________
欲速則不達
|
| | 2006-04-07 17:54 |  | linian
Home away from home
註冊日: 2005-11-07
發表數: 292
| | Re: Very Hard 數列 | | 引文:
寫道:
1,2,5,14,41,122,x
x=?
2-1=1
5-2=3
14-5=9
41-14=27
122-41=81
x-122=81*3
x=365
_________________
KH~~
この空がつなぐ世界で
辿り𤥢く場所は
一緒だと信じています
|
| | 2006-04-07 22:31 |   |
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