i think that will be 4
2 i1 T4 t9 ]$ V3 k公仔箱論壇if you list all the number from 1 to 10
7 {7 o; B5 n# M/ jtvb now,tvbnow,bttvbseperate them into 3 groupstvb now,tvbnow,bttvb( Z) Y, g' B8 c! Q* E
from 1 to 4 has 2 numbers between them
3 \+ c% I F9 _from 4 to 7 has 2 numbers between them公仔箱論壇5 M, q1 E) i) N; A% {1 B; o
from 7 to 10 has 2 numbers between them7 x T1 v, q! S: q* r+ ]
so if you ask 1/3 of 10tvb now,tvbnow,bttvb+ h% E% [! ]/ V0 L! O, X
that will be 4 |