There is 12 balls.. divide them into piles of 4
+ s4 K/ O x6 A8 c$ R$ P! b) R5.39.217.77:8898so 3 groups for 4..name is A,B,C
5 x6 J; {) T/ F$ P, o! d5.39.217.77:8898case 1: tvb now,tvbnow,bttvb# A9 V; y2 Y1 P7 c7 l
measure A -- B
# T/ ]) V) j$ H3 p. kA or B is heavier
3 b) j4 y6 b1 Z! qdivide that group into 2 by 25.39.217.77:8898 h4 j4 i0 s) C- J3 Z' C9 \
then divide heavier group into 1 by 1tvb now,tvbnow,bttvb v5 Q2 s- O- ~& J9 X
公仔箱論壇 P0 k5 @2 ?' L# n( r$ z9 m. t! d
case 2:
9 l! i) m; Q8 k4 \/ Z4 T0 kTVBNOW 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。A and B is the same.. therefore C has the heavier ballTVBNOW 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。9 s h# W3 Z4 N. B7 v5 V
divide C into 2 by 2
# G2 d: `7 X$ y7 tthen divide heavier group into 1 by 1..
; D7 U3 ~( \+ |: l, d
1 {. Z" U0 K0 ?9 M9 \) U" @got it in 30 seconds.. not so hard -.-' |