take 4 balls as a group, 3 groups - A B C
& A$ u- r, Q2 v. h' x7 D0 pweigh A & B (ex. B heavier)tvb now,tvbnow,bttvb/ ~- Z7 k3 U [* m. f' _. C
then weigh B & C (B & C same weight), B! y, a& q' ~
to find which group has the weight difference and find out is it (A is lighter)
% V! V G6 y) r/ ~/ @tvboxnow.comheavier or lighter
" N9 p% t! t8 ?: Bthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
6 L$ b# w U5 ^; j, \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。measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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