i think that will be 4tvb now,tvbnow,bttvb, R! w; e$ i/ [
if you list all the number from 1 to 10
, ^. Z, }8 M" t5 H4 S6 J. Rtvb now,tvbnow,bttvbseperate them into 3 groups
9 p8 }8 ^$ G1 s& q公仔箱論壇from 1 to 4 has 2 numbers between themtvb now,tvbnow,bttvb# G) w* H3 a9 {
from 4 to 7 has 2 numbers between them5 |, t0 w W: j" t% n' |
from 7 to 10 has 2 numbers between themwww2.tvboxnow.com4 V6 }" ?2 p: M e) v% c
so if you ask 1/3 of 10公仔箱論壇* z3 k/ K- I+ ~' `5 ^7 _* R! l# j3 Q
that will be 4 |