i think that will be 4tvb now,tvbnow,bttvb) Y* o% o0 o8 b+ Q9 Y
if you list all the number from 1 to 10
* E- Y- c4 F) Z3 ]6 T5.39.217.76seperate them into 3 groups
; S1 D) Q5 B k2 Htvb now,tvbnow,bttvbfrom 1 to 4 has 2 numbers between them
4 f ]9 L& _* i; H K! F- J! @from 4 to 7 has 2 numbers between them公仔箱論壇% c" O2 v$ I, w4 u2 Z6 ^8 o
from 7 to 10 has 2 numbers between them
5 |6 r* N5 i- S' dtvb now,tvbnow,bttvbso if you ask 1/3 of 10
; O6 T9 p/ z$ D5 k2 a1 mthat will be 4 |