take 4 balls as a group, 3 groups - A B C
2 N, w2 y' [/ Z/ ?4 kweigh A & B (ex. B heavier)
# W! _% M3 w6 N! {6 {tvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
/ V0 n, S% c! d5 x- |: T5.39.217.77:8898to find which group has the weight difference and find out is it (A is lighter)+ @; C! M7 z k$ [8 A
heavier or lighter
0 I Z. l0 ^! T! ~" ^- a& u5.39.217.77:8898then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter); b5 I+ d- }) u% @* p
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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