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.
雅博体育app(网址:EDF6.COM)雅博体育app_雅博体育app_雅博体育app_雅博体育app_雅博体育app雅博体育app_雅博体育app_雅博体育app_xx1b1FbNN
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random