this is too easy!!
0 n T# o0 a3 d, O t0 n- }! Pos.tvboxnow.com
5 D+ x' J* {/ c0 E0 z4 `公仔箱論壇1. put 6 at each side.. take the one side which is heavier
" r. `9 w, b3 y( l) ?! g, k" Pos.tvboxnow.com2. put 3 at each side.. also take the heavier side
Z# j1 Y& `; ~+ F" l! h: ftvb 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.. |