this is too easy!!6 _- \% g: o. m; k4 |
! T2 k( L7 Z: f5 p# Q. l1. put 6 at each side.. take the one side which is heavier
K# n' w* a, C) [0 Ytvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side7 N$ c5 n. b: U) [& n l
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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