i think that will be 41 ]5 k; r% g% {; E; \, o3 x
if you list all the number from 1 to 10
3 |9 P8 }' ]: U7 Dseperate them into 3 groupstvb now,tvbnow,bttvb6 z& w7 ]/ p, R+ r$ ?
from 1 to 4 has 2 numbers between them
/ s w! C" L, ^$ \from 4 to 7 has 2 numbers between them公仔箱論壇; W; R8 E4 G' c( P! m e
from 7 to 10 has 2 numbers between them
4 I' v& X# U1 y& y公仔箱論壇so if you ask 1/3 of 10
6 P2 w d2 K Z5 ?6 c: I5.39.217.77that will be 4 |