take 4 balls as a group, 3 groups - A B C9 J( V4 |9 Y* Q2 a& D
weigh A & B (ex. B heavier)5.39.217.77:88989 V. B" \. o* }% ^1 R
then weigh B & C (B & C same weight)
1 W G C3 C5 G; R9 x5 `; MTVBNOW 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)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。" G8 _+ v- H% b) X/ ~
heavier or lighter5.39.217.77:8898; B" v; H( u$ x. ~
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter), K' a: J) H4 a- a: n0 i& T
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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