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.
亚洲博狗bodog手机网页机（网址:EDF6.COM）亚洲博狗bodog手机网页机_亚洲博狗bodog手机网页机_亚洲博狗bodog手机网页机_亚洲博狗bodog手机网页机_亚洲博狗bodog手机网页机亚洲博狗bodog手机网页机_亚洲博狗bodog手机网页机_亚洲博狗bodog手机网页机_j8j8u8L
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
