i think that will be 4 " B) w+ Y9 E5 F* x1 D公仔箱論壇if you list all the number from 1 to 10www2.tvboxnow.com' G( b' H5 o7 M' _+ Y
seperate them into 3 groups公仔箱論壇# i# y' n* l( `1 M5 |
from 1 to 4 has 2 numbers between them 1 K9 N1 \2 i+ ]' {from 4 to 7 has 2 numbers between them4 \1 P+ e. K1 L' c) f" q% ~
from 7 to 10 has 2 numbers between them ! i y1 m) O+ v" b# r" n# w* A' w) Dwww2.tvboxnow.comso if you ask 1/3 of 10 ) ?0 h+ g; N: X2 v; C4 cthat will be 4