this is too easy!!tvboxnow.com2 C1 M9 f- N$ e( k: j6 z# z& g
' ^$ }4 t. E& Z) w3 |5 v& L z+ z3 f# l5 K( w1. put 6 at each side.. take the one side which is heavier
3 z( t& q; ^) {( j* t/ g" ^; R) U1 y公仔箱論壇2. put 3 at each side.. also take the heavier side# k2 T4 h8 n. w$ 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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