take 4 balls as a group, 3 groups - A B C. J2 ~- w: X# C( g( k/ J9 H4 W
weigh A & B (ex. B heavier)
) u' e' d2 F b8 T' Z, K公仔箱論壇then weigh B & C (B & C same weight)
& @+ `3 v2 ^$ cTVBNOW 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。to find which group has the weight difference and find out is it (A is lighter)
3 g3 i( C: C' s& N6 C8 }5.39.217.77:8898heavier or lighter
' b* ^7 P: \) \) ]6 w5.39.217.77:8898then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
: Q/ H1 @. g6 X: oTVBNOW 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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