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.
申博注册(网址:NBA88.COM)申博注册_申博注册_申博注册_申博注册_申博注册申博注册_申博注册_申博注册_B01xz1Bx0
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random