i think that will be 4
) M V( g! O2 v P, g& O7 w2 {, ?if you list all the number from 1 to 10
0 \- b+ b0 e6 O' t9 I! ?) T/ N# wseperate them into 3 groupstvb now,tvbnow,bttvb5 d6 \4 B7 \8 X r+ d
from 1 to 4 has 2 numbers between them
) S! O- X7 \3 J4 K公仔箱論壇from 4 to 7 has 2 numbers between themtvb now,tvbnow,bttvb3 q+ i4 h8 n* D+ W# z( Q
from 7 to 10 has 2 numbers between themtvb now,tvbnow,bttvb$ p& p; l* e, I; P% \
so if you ask 1/3 of 10
* p7 x( v$ p1 m. d公仔箱論壇that will be 4 |