i think that will be 4
$ w9 ?* T* G3 J% }3 P1 p5 DTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。if you list all the number from 1 to 10
: q5 K' A7 H6 i& i' U7 Yseperate them into 3 groups
: Y$ j1 c- N' Sfrom 1 to 4 has 2 numbers between them
1 v9 J6 n. `/ \公仔箱論壇from 4 to 7 has 2 numbers between them4 {, i; T W5 j0 i M
from 7 to 10 has 2 numbers between them
, w) E2 j. Z! [$ mso if you ask 1/3 of 10
* @ g% U" Q& F h3 |. M9 X公仔箱論壇that will be 4 |