this is too easy!!tvb now,tvbnow,bttvb% @9 ]; e4 g3 N5 ^' U
0 y9 E( v- y, k1. put 6 at each side.. take the one side which is heavierTVBNOW 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 Q9 s: w1 K/ U6 y% v
2. put 3 at each side.. also take the heavier side
- C- a5 L5 n$ ], u- v- o3. 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.. |