take 4 balls as a group, 3 groups - A B C$ i% O! w$ v7 d* ]
weigh A & B (ex. B heavier)
8 f, _4 t" d- \5 W v; _) n$ U7 A4 j1 Pos.tvboxnow.comthen weigh B & C (B & C same weight)os.tvboxnow.com( L7 s* z( U, X
to find which group has the weight difference and find out is it (A is lighter)
& D" e" G( u" ?" j0 l0 `- Eheavier or lighter
+ x! I# r3 V0 f8 cthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
5 y( j+ a% v& S3 w- Emeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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