take 4 balls as a group, 3 groups - A B C
' B; J6 a6 X- L; ]2 o& 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。weigh A & B (ex. B heavier)5.39.217.77" j8 W* m v5 t$ _& Q; u
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb |. B- E9 s2 ?* ^/ O. N7 G
to find which group has the weight difference and find out is it (A is lighter)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。2 ^& h5 `9 R. o! Y) o
heavier or lighter5 U/ W$ \! r: v/ c6 S
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
( A5 I, M5 M7 K$ y1 T2 Jmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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