Divide 3 groups first.
+ j0 }; s6 i. r8 ~3 W公仔箱論壇i.e. 4 x 4 x 4.
4 ?1 C+ Z$ Y" }" _! F$ C公仔箱論壇Weight any 2 groups [1st]5 c4 R G& s0 k2 c" V+ b2 _0 U! K
then you will know the heavier ball in which group.公仔箱論壇3 _5 n* w, J4 y0 t
Weight any 2 balls in that group [2nd]
* A8 F2 u6 {$ A. U/ U5.39.217.77then you will know the heavier ball in which 2 balls.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。2 G; Y7 b9 h8 P& E. C: L- J, c$ E5 J
Repeat again in remainders [3rd]公仔箱論壇1 i) X0 K6 \2 L
Got the heavier ball. |