i think that will be 4- T; ~* h; k" {: _
if 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。! q( T1 i, V% H0 d
seperate them into 3 groups% a; n& A# a1 ?) ?
from 1 to 4 has 2 numbers between them
4 d. \1 V. X5 `& D Gfrom 4 to 7 has 2 numbers between themtvb now,tvbnow,bttvb6 M2 c4 v% Q# z) |' G
from 7 to 10 has 2 numbers between them
& e" Z- R- r( `tvb now,tvbnow,bttvbso if you ask 1/3 of 10
3 g7 o/ H2 E& O4 l' r9 r公仔箱論壇that will be 4 |