take 4 balls as a group, 3 groups - A B 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。, U9 F( F5 J, |7 w9 H6 ~
weigh A & B (ex. B heavier)公仔箱論壇* ^1 F( Y6 Y( r$ I8 I
then weigh B & C (B & C same weight)- s, p9 k! D- W# L+ k D8 U
to find which group has the weight difference and find out is it (A is lighter)
, Z' u7 q* Z4 o J- o* \% r% d$ f$ yTVBNOW 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。heavier or lighter
) b7 j% O* U4 A2 x& w4 X8 }5.39.217.77then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
. I. w$ e6 ~/ [ J" Ameasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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