take 4 balls as a group, 3 groups - A B C
/ }8 k, Z7 F" Z5 b$ [weigh A & B (ex. B heavier)0 m, t6 F2 S, k
then weigh B & C (B & C same weight)
( k8 b' X X% _1 X g# D+ uTVBNOW 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)
5 Y; }6 b% X# \7 o! k4 \+ e4 r/ rheavier or lighter
/ s5 d& Z3 j7 G( C/ z0 j5.39.217.76then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)5.39.217.763 [ s; O4 j+ p2 W" B% d
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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