1+1=??
他給我回答....
Welcome, XXXXXXX ! My name is Encarta Instant Answers. I am a smart computer who can bring you the Encarta info you want right in your IM window!
Here are some questions you can ask me:
* What is the population of Mexico?
* When was Nelson Mandela born?
* Solve 2x^2+7x=5
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