Divide the 12 balls into 4 groups of 3's. ' a6 F* d8 z5 P4 BWeigh group 1 & 2 r: P- V; R+ J' m# Sthen weigh group 2 & 3 ' Z* {0 i% H( q6 V5.39.217.77If the results are Equal & Equal, it means the ball with the different weight is in group 4. 7 w; j- {& k+ T( \6 E% MIf the results are Equal & Unequal, it means the ball is in group 3. 6 A3 z+ w$ M5 i t& t5.39.217.77If 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。: I5 `4 H) A/ K
If the results are Unequal & Unequal, it means the ball is in group 2. 1 N% m( I! S" U. p+ k' u, x公仔箱論壇 7 z5 A" V. R8 \( K& G1 x4 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。Once you determine the group that contains the ball.tvb now,tvbnow,bttvb% m% f$ M$ v3 z. W+ Z L o6 E
Simply weigh two of the balls