take 4 balls as a group, 3 groups - A B C
% d' c) m" `& W% ?$ K4 [5 Y5.39.217.76weigh A & B (ex. B heavier)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。4 R# a: ~6 p2 j% l+ H" a
then weigh B & C (B & C same weight)
2 c, B0 A- O4 I0 R3 s, T) o) Xto find which group has the weight difference and find out is it (A is lighter)5.39.217.76 r0 X& a0 z4 K. y- h9 ?
heavier or lighter
4 U2 P2 D# I( I1 B, S7 K: _4 f/ I: WTVBNOW 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。then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter); f/ h! D' Q% P6 k
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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