Divide the 12 balls into 4 groups of 3's.
) l2 I/ _) X" b- `/ `Weigh group 1 & 25.39.217.77:8898, l, W) E1 F6 J6 g" q$ Q# I
then weigh group 2 & 3: T& p! V6 j( c3 F. x1 o( ]
If the results are Equal & Equal, it means the ball with the different weight is in group 4.1 _. E' z$ D9 }5 {' D" ]
If the results are Equal & Unequal, it means the ball is in group 3.
; m) v3 L( [2 {If the results are Unequal & Equal, it means the ball is in group 1.. X, h4 i3 l7 V: ~, | N6 x
If the results are Unequal & Unequal, it means the ball is in group 2.
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Once you determine the group that contains the ball.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。& l3 Y1 G% P& o8 l, B& B
Simply weigh two of the balls |