this is too easy!!
# ~8 M) C( j# H# v2 y" ]4 Qtvb now,tvbnow,bttvb. \0 G R" t- W: ^3 [
1. put 6 at each side.. take the one side which is heavier, c+ P6 j. m* M4 `. C
2. put 3 at each side.. also take the heavier side
: @% @& d# g2 ^& u& a2 y( utvb now,tvbnow,bttvb3. 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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