this is too easy!!
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. S) Z, p9 o0 F# \8 q2 Ptvb now,tvbnow,bttvb1. put 6 at each side.. take the one side which is heavier# s7 L: D3 W3 D: n( q# {1 h
2. put 3 at each side.. also take the heavier side8 H+ q( q% h/ R5 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.. |