take 4 balls as a group, 3 groups - A B C* o4 \' Y3 s* n, Q
weigh A & B (ex. B heavier)
9 X+ G6 w; f& S9 _3 c5 q8 t+ Atvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)5.39.217.77:8898/ _3 ~* U e1 M' s6 ]* a
to find which group has the weight difference and find out is it (A is lighter)
9 [8 H2 K i1 M. B3 ~, u/ xTVBNOW 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。heavier or lighter5.39.217.77:8898% D/ H2 c! v: ~/ `; y
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)& |* j) n, w* k' r( [
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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