i think that will be 4
) m; J3 j* s5 a: z+ _: n公仔箱論壇if you list all the number from 1 to 100 Y8 i* M. C: Y8 v
seperate them into 3 groups
2 ^" C+ ^, _9 ^) F3 _$ ~! [! d6 ]from 1 to 4 has 2 numbers between themtvb now,tvbnow,bttvb" w' ?) T" F7 Y; v% P( y/ s
from 4 to 7 has 2 numbers between them
! _7 h9 R7 e- x3 L! g. p' Ktvb now,tvbnow,bttvbfrom 7 to 10 has 2 numbers between themos.tvboxnow.com8 L7 c3 H8 m+ B O, W$ S
so if you ask 1/3 of 10# }0 O( S1 [8 b
that will be 4 |