Divide the 12 balls into 4 groups of 3's.% R; v3 x6 U4 c# S
Weigh group 1 & 2 1 P' v! _6 I$ h; p" q5.39.217.77:8898then weigh group 2 & 35.39.217.77:8898" O- b# _0 A2 C. k/ J4 G* m
If the results are Equal & Equal, it means the ball with the different weight is in group 4.5.39.217.77:8898# R7 m$ E3 | {" X
If the results are Equal & Unequal, it means the ball is in group 3. 4 F0 T) Q1 n( v6 QIf the results are Unequal & Equal, it means the ball is in group 1.2 D! j6 D1 `4 a% y* ]
If the results are Unequal & Unequal, it means the ball is in group 2. / e( i$ B, _% z2 U8 y7 C. S7 BTVBNOW 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。 5 J o. Z: K% J: B; d2 otvb now,tvbnow,bttvbOnce you determine the group that contains the ball.- a6 \0 Z, k* `% s) Y
Simply weigh two of the balls