i think that will be 4
% i( C5 H1 y$ D8 ~6 ` [/ Lif you list all the number from 1 to 10
; L2 a% I! `' g% cseperate them into 3 groupstvb now,tvbnow,bttvb9 [/ n! C9 ^0 K
from 1 to 4 has 2 numbers between them0 {; W5 s' f% L
from 4 to 7 has 2 numbers between them
5 E3 b- d4 q" H9 ptvb now,tvbnow,bttvbfrom 7 to 10 has 2 numbers between them
5 Y+ D3 e: }8 u" U* yso if you ask 1/3 of 10
4 v! \! p% Q( S2 s公仔箱論壇that will be 4 |