take 4 balls as a group, 3 groups - A B C
) i0 I( Z0 `) u# G$ u& {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。weigh A & B (ex. B heavier)5.39.217.761 @# o9 e7 T9 _% @. V/ ?* \
then weigh B & C (B & C same weight)5.39.217.76) q2 W Z6 I1 R9 L! G
to find which group has the weight difference and find out is it (A is lighter)
3 k J. T: J* ^3 M5.39.217.76heavier or lighter
2 e2 P# D5 H# I( ~ J/ U5.39.217.76then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)/ n! E* @6 L& C6 d; v
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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