i think that will be 4' ^% ]7 m# g6 r; o
if you list all the number from 1 to 10
) t! [0 v+ Q/ P5 s* \% p0 a" _seperate them into 3 groups
, I/ q7 G L4 ~/ B, L4 ], q4 hfrom 1 to 4 has 2 numbers between them: P' [- T7 ^ M. P* ]1 V1 K
from 4 to 7 has 2 numbers between them
' h j& @4 H3 Q$ P! Q v9 k# J公仔箱論壇from 7 to 10 has 2 numbers between them
5 T$ S; o4 Q1 U O3 I8 m5.39.217.77:8898so if you ask 1/3 of 10
% k6 H6 t7 Z7 O' k8 R# sthat will be 4 |