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.
电竞赌注平台（网址:QY81.COM）电竞赌注平台_电竞赌注平台_电竞赌注平台_电竞赌注平台_电竞赌注平台电竞赌注平台_电竞赌注平台_电竞赌注平台_1GLbuuJGL
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
