take 4 balls as a group, 3 groups - A B C
! D7 M9 g6 n$ k5 Q0 x' Cweigh A & B (ex. B heavier)
V" ^& g* v! @then weigh B & C (B & C same weight)
- @, X l/ Z z% mwww2.tvboxnow.comto find which group has the weight difference and find out is it (A is lighter)
/ l+ r/ f: `+ ^( v( P+ R& g: b% O/ eheavier or lighter0 v& I1 F2 _$ T: P* u
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
- P0 B, y8 S6 e( n1 [7 N; _: pTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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