this is too easy!!6 s: T" B/ r9 T0 j) c( ]4 H: {6 D J
2 K5 y) Y+ S8 X, d7 \
1. put 6 at each side.. take the one side which is heavier5.39.217.760 A$ J' A$ e# C1 l9 h" k: f
2. put 3 at each side.. also take the heavier side u& X. w; `0 Y( J5 Z
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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