Divide the 12 balls into 4 groups of 3's. & v- Q4 I! O! _5 s) a公仔箱論壇Weigh group 1 & 2- j4 s& i6 B% F- ]2 r: Z
then weigh group 2 & 35.39.217.77:88989 ~( K: r3 c) [7 ^$ ]7 D
If the results are Equal & Equal, it means the ball with the different weight is in group 4.公仔箱論壇# z; n, R$ F3 a0 q0 q4 x( @0 r
If the results are Equal & Unequal, it means the ball is in group 3. % p$ F X1 P+ YIf the results are Unequal & Equal, it means the ball is in group 1. ) e" d O; o5 x- x) ]8 G8 @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。: a2 v: B/ W. c* L0 b
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Once you determine the group that contains the ball.公仔箱論壇) k! x8 w0 E, Z# i4 U" Y o/ ?
Simply weigh two of the balls