Divide the 12 balls into 4 groups of 3's.公仔箱論壇# U) w: g9 R* v3 z' g( x
Weigh group 1 & 2% h B, [* M4 i; d8 `
then weigh group 2 & 3 + p/ g1 X) e' PIf the results are Equal & Equal, it means the ball with the different weight is in group 4. * n$ W6 X* i# y' s, |tvb now,tvbnow,bttvbIf the results are Equal & Unequal, it means the ball is in group 3. ; T7 x4 O0 q# S" B% e8 T公仔箱論壇If the results are Unequal & Equal, it means the ball is in group 1. % B4 h! V" Y/ w) r" }8 a: r* a( V, z5.39.217.76If the results are Unequal & Unequal, it means the ball is in group 2. + q/ t; Q# {' W% x2 z公仔箱論壇 7 g8 E3 P- c5 O/ s+ q% U* d8 ^% v5.39.217.76Once you determine the group that contains the ball. ! T, H" W$ t: C4 oTVBNOW 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。Simply weigh two of the balls