Divide the 12 balls into 4 groups of 3's.5.39.217.769 |5 H1 V* F$ m6 ~( d& S1 i# W
Weigh group 1 & 2 & X- b" i* f8 W0 Z% g' 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。then weigh group 2 & 3! Z- }' `: _- P) q; l
If the results are Equal & Equal, it means the ball with the different weight is in group 4.5.39.217.761 G0 D1 f2 s# @( h
If the results are Equal & Unequal, it means the ball is in group 3. 0 _0 \, `) m3 z* fTVBNOW 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 Unequal & Equal, it means the ball is in group 1. ! ~- \7 S: B1 t' p$ I8 F5.39.217.76If 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。) b& w! w0 e0 ~1 Z# I1 c" N( |
) M. ^4 S, F" KOnce you determine the group that contains the ball. + Y* f/ t, D7 uSimply weigh two of the balls