Divide the 12 balls into 4 groups of 3's. " S2 o1 z6 y0 Z5 N6 u( n+ X" S( `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。Weigh group 1 & 20 K2 E' M1 V# e3 j) Y+ C
then weigh group 2 & 3 8 M! d' b0 N8 ~; i( GIf the results are Equal & Equal, it means the ball with the different weight is in group 4. 7 T' R4 v9 G& L J: J% \* E `! |% OIf the results are Equal & Unequal, it means the ball is in group 3. ! w& b) s4 x, N/ `3 B- IIf the results are Unequal & Equal, it means the ball is in group 1.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。9 `$ j7 v5 z: A1 U- b
If the results are Unequal & Unequal, it means the ball is in group 2. $ G ^/ Z' Q% u7 ytvb now,tvbnow,bttvb # j; D A w B4 ?5 a+ D/ Vtvb now,tvbnow,bttvbOnce you determine the group that contains the ball. + j4 P; o1 ?; s0 X, ^* fSimply weigh two of the balls