take 4 balls as a group, 3 groups - A B C
; _5 o0 S: Q; c9 fweigh A & B (ex. B heavier)tvb now,tvbnow,bttvb. U6 `0 x! w$ n" X, x( c/ D5 G6 {
then weigh B & C (B & C same weight)5.39.217.761 j$ ?/ b4 {- |" q# B B
to find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb* I1 S- Y; |1 [1 W
heavier or lighter5.39.217.76+ i, K/ G& V1 X8 g8 C) t, s1 h4 ]
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)$ \/ Z2 k8 t- z
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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