Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
玛雅吧娱乐（网址:EDF6.COM）玛雅吧娱乐_玛雅吧娱乐_玛雅吧娱乐_3k044F34f
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
