take 4 balls as a group, 3 groups - A B C* v) V( Q. n) A! v% [6 R
weigh A & B (ex. B heavier)www3.tvboxnow.com1 r! H, r4 D: L8 s4 M' u
then weigh B & C (B & C same weight)
( g$ l$ ]9 p( D: i0 o/ v% u9 xwww3.tvboxnow.comto find which group has the weight difference and find out is it (A is lighter)
1 a; w' q& g) Z5 U( W- R H7 R5 HTVBNOW 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
8 k) b& T4 J8 sthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
; e, @8 E5 l7 x公仔箱論壇measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
| 
