i think that will be 4
* S9 J" F: h5 ?. O; I; @; ]tvb now,tvbnow,bttvbif you list all the number from 1 to 10
7 t$ ?+ W4 w" R1 ]" G7 stvb now,tvbnow,bttvbseperate them into 3 groups
+ {# X2 f! }; m2 X5.39.217.77from 1 to 4 has 2 numbers between them5.39.217.774 Y3 g$ n1 B7 `3 g2 L- y& \3 k
from 4 to 7 has 2 numbers between them, w! n! [8 y; ~* W6 `. U$ f! i
from 7 to 10 has 2 numbers between them公仔箱論壇: h4 D5 |( C7 J/ |: }
so if you ask 1/3 of 10, j% ]% w$ z+ e: C! q# N ^: }% p
that will be 4 |