1. 1st divide to half take the heavier out ' J8 O) l% f; B: m* t( M% q Z公仔箱論壇2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for)TVBNOW 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。3 u# q/ u- f. e! M. {6 d. `/ `
3. Same method if is not equal on 2nd try.