this is too easy!!公仔箱論壇3 V6 [7 U3 a- [. n
/ P% ]' k+ F4 |9 N% J- Q5.39.217.761. put 6 at each side.. take the one side which is heavier5.39.217.763 h" Z" a9 R9 W6 w* q8 Z
2. put 3 at each side.. also take the heavier side
' ^1 a$ f7 i, r1 I/ aTVBNOW 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. 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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