Dr333

i think that will be 4
7 }2 l$ F( j& J' k" n. h2 zTVBNOW 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。if you list all the number from 1 to 10tvb now,tvbnow,bttvb" u: Y1 z0 |5 F: R5 I# t# t
seperate them into 3 groups# Q" J+ [, p- i7 s, N
from 1 to 4 has 2 numbers between them% c* |5 l% n; d8 Y
from 4 to 7 has 2 numbers between them
+ l# F7 p3 Y1 Pfrom 7 to 10 has 2 numbers between them
) @+ q6 s9 P  [TVBNOW 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。so if you ask 1/3 of 10
  ]! y  R+ d. x0 M( _+ Z" _that will be 4