i think that will be 4公仔箱論壇! r1 m% N. K4 |3 d
if you list all the number from 1 to 10
) U* P1 {9 \7 s" J$ Ptvb now,tvbnow,bttvbseperate them into 3 groups
! w/ \% t+ l, v+ j9 T( [tvb now,tvbnow,bttvbfrom 1 to 4 has 2 numbers between them公仔箱論壇- E4 }9 \- P; m* T# M
from 4 to 7 has 2 numbers between them
$ W3 t1 b' k' `6 w/ i$ I7 U# M G公仔箱論壇from 7 to 10 has 2 numbers between themtvb now,tvbnow,bttvb0 B% r/ Y" y) o' s' y z' p" N( n
so if you ask 1/3 of 10tvb now,tvbnow,bttvb4 O; A5 u# t+ H4 J! @. C
that will be 4 |