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.. |
發表於 2009-1-7 05:31 AM
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