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.
爱游戏体育网网页版（网址:EDF6.COM）爱游戏体育网网页版_爱游戏体育网网页版_爱游戏体育网网页版_爱游戏体育网网页版_爱游戏体育网网页版爱游戏体育网网页版_爱游戏体育网网页版_爱游戏体育网网页版_3R6QRR33Q
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
