take 4 balls as a group, 3 groups - A B C8 T" Z( `0 |+ F# F
weigh A & B (ex. B heavier)
( D! \8 u' Z; z7 m7 bthen weigh B & C (B & C same weight)
o/ G- t& r; ^ r/ n8 Fwww2.tvboxnow.comto find which group has the weight difference and find out is it (A is lighter)
4 p; q9 O$ W8 @- `) O( ytvb now,tvbnow,bttvbheavier or lighter
9 K# M, P# T6 Sthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)3 ^) p E5 i3 ?! Q
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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