this is too easy!!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。- h D& a, j% A$ X
+ m# U- f" H, p: w4 v1 K; J1. put 6 at each side.. take the one side which is heavier
+ h5 S$ m8 c% p/ G% k) {www2.tvboxnow.com2. 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。0 L9 M: l9 j# x+ {( d/ }0 `
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.. |