Divide the 12 balls into 4 groups of 3's.! O& b% P; h1 W0 i3 m# ^5 _
Weigh group 1 & 2 2 c' {/ I2 x; N& b @tvboxnow.comthen weigh group 2 & 3" A7 f3 K. }' o; m
If the results are Equal & Equal, it means the ball with the different weight is in group 4. 4 x0 @( o4 @7 J" H+ JTVBNOW 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。If the results are Equal & Unequal, it means the ball is in group 3. 8 K* t% {% i7 z8 G( VIf the results are Unequal & Equal, it means the ball is in group 1. . V( v. ], I& _. d; p公仔箱論壇If the results are Unequal & Unequal, it means the ball is in group 2.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。( g7 Y+ k; S9 b8 S, N( o
0 M1 [1 ~% M6 ZOnce you determine the group that contains the ball. \) n6 ^* i- }tvb now,tvbnow,bttvbSimply weigh two of the balls