Divide the 12 balls into 4 groups of 3's.
4 p& h; u% s- O4 J' n# R2 dWeigh group 1 & 2
2 b" [2 H& p" @: Z9 j, C% a2 W5.39.217.77then weigh group 2 & 3% p; Q2 m) u9 G% V$ d3 j
If the results are Equal & Equal, it means the ball with the different weight is in group 4.
; T7 ~3 }# x1 P r. ]! Otvb now,tvbnow,bttvbIf the results are Equal & Unequal, it means the ball is in group 3.& }0 |) I& |3 P
If the results are Unequal & Equal, it means the ball is in group 1.! e* M7 K) j! o* F# `9 w$ ]! L
If the results are Unequal & Unequal, it means the ball is in group 2.5.39.217.778 s4 L6 `; G$ Y B) i
- o7 z- t8 x; ]0 m: UTVBNOW 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.
5 {- {+ W, ?) X5 ^5.39.217.77Simply weigh two of the balls |