take 4 balls as a group, 3 groups - A B C$ q7 I% i6 T2 i
weigh A & B (ex. B heavier)
' u. ?9 T- G. L4 p, f/ c `5.39.217.77:8898then weigh B & C (B & C same weight)& f/ [1 C! I( C5 E- u5 y
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。( r2 z+ i3 J+ { e
heavier or lighter
! ~+ t6 r, b3 H9 P' I公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
) B+ N2 n# O5 N7 ?# E4 w$ \1 Y5.39.217.77:8898measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
| 
