i think that will be 4
9 u, c# z" z& `; F! H" R2 Dtvb now,tvbnow,bttvbif you list all the number from 1 to 10TVBNOW 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。! l# L6 S* K6 c
seperate them into 3 groups
& ~0 W' ~' l, [! UTVBNOW 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。from 1 to 4 has 2 numbers between them+ C: {1 E \& |, G4 k, P
from 4 to 7 has 2 numbers between themtvb now,tvbnow,bttvb/ d+ \. G: }; V: a
from 7 to 10 has 2 numbers between them
; J$ u9 b/ x" C2 i4 z7 `7 Etvb now,tvbnow,bttvbso if you ask 1/3 of 10
) Z- A9 g3 L: `6 Y4 ^8 N4 Btvb now,tvbnow,bttvbthat will be 4 |