Divide 3 groups first.
' N7 I: i3 a: [' B: @5 \i.e. 4 x 4 x 4.% J: }, z% E9 q* a0 Y6 H
Weight any 2 groups [1st]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。6 u) C/ k' K) B7 V/ H+ z- t: a
then you will know the heavier ball in which group.$ ~* y7 ]* p/ x; U
Weight any 2 balls in that group [2nd]tvb now,tvbnow,bttvb& E- q7 O( S$ x: K/ k- l
then you will know the heavier ball in which 2 balls.
" F" Q" g G# c. wRepeat again in remainders [3rd]
0 @( m( l q3 O: x/ b& mGot the heavier ball. |
發表於 2009-7-2 12:48 PM
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