take 4 balls as a group, 3 groups - A B C
, @$ r; a/ R- u9 Mtvb now,tvbnow,bttvbweigh A & B (ex. B heavier)www.tvboxnow.com0 h+ X- h9 X5 Y& ]$ x
then weigh B & C (B & C same weight)
! ~4 \" o* J2 A2 p( T, S4 g; H: \TVBNOW 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。to find which group has the weight difference and find out is it (A is lighter)* n" a9 k, Q0 P- Z* P, ?
heavier or lighter
3 s: |; j9 x, m' x9 `( o8 Ythen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
( u3 O4 j+ H7 g4 w O9 ]measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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