this is too easy!!
0 q3 B7 d, W% C( _: l) utvb now,tvbnow,bttvb
7 ^& E( X+ y; A8 c7 d2 b) J+ U. T) m5.39.217.77:88981. put 6 at each side.. take the one side which is heavier
l9 `( Z6 Q6 d3 L2 ?7 Y2. put 3 at each side.. also take the heavier side& e3 ~& ]5 c+ `
3. 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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