take 4 balls as a group, 3 groups - A B C
, E; Q! E9 w+ @4 W3 H( a) _tvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
X- X7 v- O- G( P$ ~2 O, f+ B公仔箱論壇then weigh B & C (B & C same weight)
. ?1 {: x, k$ {www1.tvboxnow.comto find which group has the weight difference and find out is it (A is lighter)
. |+ w! [6 K3 ^. r, `$ m" oheavier or lighter" e3 F" O' ]2 h; M H, ^, ]+ m( ?
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
0 z. o7 y( a: O% O5 }measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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