IQ 180 　 　 Wanna challenge your IQ? Try this! 　 1. Suppose a and b are positive integers bigger than 1 but with sum less than 100. 　There are two people : Mr. Sum and Mr. Product. Now Mr. Sum knows only
　a+b and Mr. Product knows only a*b. The following conversation takes place.
　　Mr. Sum : "You don't know a and b."
　　Mr. Product : "Now I do."
　　Mr. Sum : "Now I do, too."
　What are a and b?
　
　 Wanna Answer? 　 1. 診所簡介 2.醫師簡介 3.口腔衛教 4.口腔常見疾病 5.牙科知識問答 6.牙醫師討論區 7.其他牙醫診所 8.牙科網路資源 9.Cool　 站推薦 10.訪客留言 　 　

---

This page hosted by　 Get your own Free Home Page