this is too easy!!5.39.217.77- @% h9 Z: u$ a; H5 R5 y2 u
) O9 w! [ `& C4 y3 P" Z% btvb now,tvbnow,bttvb1. put 6 at each side.. take the one side which is heavier公仔箱論壇- \. q V8 X {( z! Y2 v2 w) c- t: l
2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb" X! r: s `) N- _2 O' c8 c% n- [
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.. |