take 4 balls as a group, 3 groups - A B C
. z" x$ [. T0 v# p" t5.39.217.77weigh A & B (ex. B heavier)
' c ]3 {3 x$ [" B% gthen weigh B & C (B & C same weight)6 R D" T9 i& m1 }& [! D3 F' k+ _
to find which group has the weight difference and find out is it (A is lighter)
4 K9 g4 f) o; `; s! R% @" C5.39.217.77heavier or lighterTVBNOW 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。! O/ ?8 \' {. i6 O i7 A
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb% g' p8 O- w# w1 a
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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