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.
ROR体育娱乐APP（网址:EDF6.COM）ROR体育娱乐APP_ROR体育娱乐APP_ROR体育娱乐APP_ROR体育娱乐APP_ROR体育娱乐APPROR体育娱乐APP_ROR体育娱乐APP_ROR体育娱乐APP_11Oyy1q11
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
