take 4 balls as a group, 3 groups - A B C
$ Q- j7 t g6 s3 l0 vTVBNOW 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。weigh A & B (ex. B heavier)
: C2 I/ T) C0 ]5 y4 Pwww2.tvboxnow.comthen weigh B & C (B & C same weight)www2.tvboxnow.com# R) d, L" h# k) q8 u; Y7 @
to find which group has the weight difference and find out is it (A is lighter)
$ X7 A0 P' u& yTVBNOW 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。heavier or lighter# q( {3 F- p( z1 _
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
" r% k+ Z0 {3 M1 J0 ? r8 bmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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