i think that will be 4
/ \9 J/ P4 J$ L. U/ M0 b公仔箱論壇if you list all the number from 1 to 10公仔箱論壇$ Y+ f8 V; r9 G
seperate them into 3 groups& j- x+ P3 n" w' m! m; e0 O) H
from 1 to 4 has 2 numbers between them5.39.217.77:8898! Z$ g2 ?$ J8 p! O6 I2 N. Q. _
from 4 to 7 has 2 numbers between them( z6 |7 X; g4 A# X+ P
from 7 to 10 has 2 numbers between themtvb now,tvbnow,bttvb& h" N$ H; q& e+ y, T
so if you ask 1/3 of 10
: N# s% J; e& ?( c \& T( \% Y! @that will be 4 |