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.
沙巴体育登录唯一网址（永久链接:SE8.TV）沙巴体育登录唯一网址_沙巴体育登录唯一网址_沙巴体育登录唯一网址_沙巴体育登录唯一网址_沙巴体育登录唯一网址沙巴体育登录唯一网址_沙巴体育登录唯一网址_沙巴体育登录唯一网址_e1e0ex10
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
