this is too easy!!
: |" `' q; ?! B) d/ \5 U
' |1 Q" U% E N# Y5.39.217.761. put 6 at each side.. take the one side which is heavier
( M- [4 |# m4 }6 o& d) \2. put 3 at each side.. also take the heavier sideTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。4 G+ y/ O5 @1 y- V) W
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.. |