i think that will be 41 t' n0 R# {8 i' o+ {. P: u) T
if you list all the number from 1 to 10
, f& x6 H# j# O% Bseperate them into 3 groupstvb now,tvbnow,bttvb9 G1 }. W4 @/ c# z
from 1 to 4 has 2 numbers between them5 m0 w; h$ ^+ Y9 R: Q4 O: z
from 4 to 7 has 2 numbers between them
5 m) w) l$ X; W公仔箱論壇from 7 to 10 has 2 numbers between them公仔箱論壇/ Y3 n+ O6 u! Y6 K1 X
so if you ask 1/3 of 100 {! t9 f+ J# @( O1 t
that will be 4 |