take 4 balls as a group, 3 groups - A B C/ Z* w9 z$ D: U4 `; d- I, K
weigh A & B (ex. B heavier)
/ {. m8 }( w$ l3 t' tTVBNOW 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。then weigh B & C (B & C same weight)
- Y! O/ l& \5 dto find which group has the weight difference and find out is it (A is lighter)5.39.217.76/ ~% ^4 X) l2 ^& g3 { Q4 b
heavier or lighter公仔箱論壇, t5 n6 Y8 U6 _: _ U
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
% @5 S! | e9 m' \5 TTVBNOW 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。measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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