There is 12 balls.. divide them into piles of 4
) r) q4 b; J, B4 J, g) rTVBNOW 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* T x8 T0 Y. P T
case 1:
! v; @0 ^* |( }6 H1 q( Q" Z公仔箱論壇measure A -- B tvb now,tvbnow,bttvb2 K" i5 X6 ]% I0 k& ~: P
A or B is heavier
/ p' q( G9 W$ btvb now,tvbnow,bttvbdivide that group into 2 by 2
* B, w* m5 @4 f8 l# m公仔箱論壇then divide heavier group into 1 by 1公仔箱論壇4 Y, P5 O. M2 ?) `3 s# g" i7 J
+ g' R0 H2 y X1 ]/ w
case 2:5.39.217.76( k+ _' z' ~. T# e4 y* X: D
A and B is the same.. therefore C has the heavier balltvb now,tvbnow,bttvb( p6 a1 c* _ O) _! R6 L, c/ N
divide C into 2 by 2tvb now,tvbnow,bttvb. n2 X5 D* g+ B2 y6 |, C
then divide heavier group into 1 by 1..
M( H& W, B( {% {! r4 f
; ~9 t( S- D) [! x ~tvb now,tvbnow,bttvbgot it in 30 seconds.. not so hard -.-' |