Divide 3 groups first.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。8 y+ R& ?( W- d/ J$ M$ r
i.e. 4 x 4 x 4.' Q3 J! a- j. g) d& E3 W
Weight any 2 groups [1st]5.39.217.76+ E9 s9 Y8 S$ |9 n+ K0 ~: ~
then you will know the heavier ball in which group.) C, p# \5 d9 ~
Weight any 2 balls in that group [2nd]' X9 }. M$ h- p4 W, f1 T# G. Y
then you will know the heavier ball in which 2 balls.5.39.217.767 m, D; {7 t: `# W+ y0 o$ {2 @& K
Repeat again in remainders [3rd]
R! u! l) `1 }1 G6 ?5 yGot the heavier ball. |