There is 12 balls.. divide them into piles of 4tvb now,tvbnow,bttvb8 h4 H3 B% v, b/ _4 F7 b* C
so 3 groups for 4..name is A,B,C
) Z9 Z& W' }" ~4 E1 l' }case 1:
( Z- i* w2 W/ u3 d/ c公仔箱論壇measure A -- B
; t! V! L" ~3 JA or B is heavier # B6 o, S3 J/ s; N- K
divide that group into 2 by 2
8 }, Y- O" o. [: H. p9 g* Itvb now,tvbnow,bttvbthen divide heavier group into 1 by 1TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。/ v- Z! ^; K. L* v6 ?2 q0 a0 x
( o9 v* Z9 z* F+ }$ Pcase 2:tvb now,tvbnow,bttvb3 h3 p& H4 P4 z! o" k( E
A and B is the same.. therefore C has the heavier ball公仔箱論壇) q3 M7 A& `0 m
divide C into 2 by 2
3 w8 g5 c( a9 ~8 P2 S9 O$ qtvb now,tvbnow,bttvbthen divide heavier group into 1 by 1..tvb now,tvbnow,bttvb7 _& G& H; y8 \5 R* L/ w" ^" Y
公仔箱論壇0 J1 I7 R `1 ~4 E% ` ^, k
got it in 30 seconds.. not so hard -.-' |