take 4 balls as a group, 3 groups - A B C
5 N. q% i) U2 ^# yweigh A & B (ex. B heavier)tvb now,tvbnow,bttvb6 L6 B8 v$ ?# P# X- l
then weigh B & C (B & C same weight)5.39.217.77:88986 n" r8 N( z1 a. _) B
to find which group has the weight difference and find out is it (A is lighter)
2 j1 i0 b) ~; O! ^# fheavier or lighterTVBNOW 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。- r, M6 u! d! E& j+ i5 {
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)5.39.217.77:8898# B5 j5 p3 l* U6 J8 J# \
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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