this is too easy!!tvb now,tvbnow,bttvb$ d- u. A+ `+ l. c$ q2 U' y# i7 a
tvb now,tvbnow,bttvb x0 U9 j0 |. I& u) h& T/ l
1. put 6 at each side.. take the one side which is heavier
6 E' p9 [% s3 Z2. put 3 at each side.. also take the heavier side
4 t8 L2 d- D$ n: z3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |
發表於 2009-1-7 05:31 AM
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