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.
高手网（网址:NBA88.COM）高手网_高手网_高手网_高手网_高手网高手网_高手网_高手网_W3W44tWW4
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
