There is 12 balls.. divide them into piles of 4
% @% y. r& m8 |TVBNOW 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。so 3 groups for 4..name is A,B,C公仔箱論壇0 J5 ~2 c$ t* r& a, m( P
case 1:
/ E7 c0 O- }8 n. H L5 t* g) ?公仔箱論壇measure A -- B tvb now,tvbnow,bttvb5 A) |0 H9 w2 b* I% G3 j$ T9 e- v
A or B is heavier
1 j) D) x: l: A6 b9 s+ T) C tdivide that group into 2 by 2
. v1 K0 Z s p. H: s- w5.39.217.76then divide heavier group into 1 by 1" G. }5 ?7 D, u+ ^! s2 J" K& j; P, N
4 \6 V& t- B# a1 Z7 j- X公仔箱論壇case 2:
+ _$ Y& G7 Z* i$ B) Z# E- E# ?$ aTVBNOW 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 balltvb now,tvbnow,bttvb/ |9 b* g' [7 `
divide C into 2 by 2
" m& S5 {# K/ ~1 ythen divide heavier group into 1 by 1.." x2 ]+ V6 J5 j
) t9 e3 [! ^0 V3 O {5 u- Z5.39.217.76got it in 30 seconds.. not so hard -.-' |