i think that will be 4; T7 z2 ~. Z' s+ W
if you list all the number from 1 to 10 0 a8 k) v. N& m* w公仔箱論壇seperate them into 3 groups 0 P/ `7 C5 }1 c/ B) s0 pTVBNOW 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。from 1 to 4 has 2 numbers between them $ f+ u, [0 o, f: P$ m5 C公仔箱論壇from 4 to 7 has 2 numbers between themTVBNOW 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。0 ~# I6 I6 u5 R5 n3 b3 h# x; J
from 7 to 10 has 2 numbers between them5.39.217.77:8898/ T& ]9 X' h7 B0 I* s" x
so if you ask 1/3 of 10公仔箱論壇3 @1 E/ ^9 Y% Z j7 I
that will be 4