take 4 balls as a group, 3 groups - A B C
$ y- i! j9 q9 V, R+ z* Jweigh A & B (ex. B heavier)公仔箱論壇, k* I2 S' l s
then weigh B & C (B & C same weight)$ s$ B0 @' J1 Y- ?
to find which group has the weight difference and find out is it (A is lighter)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。" z% |8 O9 u2 R
heavier or lighter2 h1 {6 j, F6 L6 g: k; t0 G9 Q
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇4 E/ F4 h) {& o
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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