take 4 balls as a group, 3 groups - A B C' d6 T& h) ]! L' q4 s# y6 y
weigh A & B (ex. B heavier)
; z" b+ Y; L& W% v* Bthen weigh B & C (B & C same weight)
9 R5 Y' U5 a* p" I& ]3 Ptvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)% q5 ]9 N2 k# _$ ]* K: i6 b- E* S
heavier or lighter T# \9 m$ u/ A% J. n7 [, U8 \/ x
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb: C! k! B1 V# s; d" [: S% d
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
| 
