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.
新传体育（网址:EDF6.COM）新传体育_新传体育_新传体育_新传体育_新传体育新传体育_新传体育_新传体育_g8g831Q1A
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
