i think that will be 4tvb now,tvbnow,bttvb/ ?6 n+ S) \: I6 G3 X, q
if you list all the number from 1 to 10tvb now,tvbnow,bttvb8 y4 X$ }) T N8 o
seperate them into 3 groups# S# K: r6 V& a4 Z) N! Y0 |( Y7 d
from 1 to 4 has 2 numbers between them2 R {" T7 n$ h, K
from 4 to 7 has 2 numbers between them
8 o! k6 `" P3 b3 c2 p0 R! S: S; v公仔箱論壇from 7 to 10 has 2 numbers between themtvb now,tvbnow,bttvb2 Q! g: a% F# t( J8 |+ F
so if you ask 1/3 of 10
! v* }3 |* v. b; ^4 h$ a5.39.217.77:8898that will be 4 |