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.
新濠娱乐城(网址:EDF6.COM)新濠娱乐城_新濠娱乐城_新濠娱乐城_CCEppNF2O
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random