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.
新娱乐官网（网址:QY81.COM）新娱乐官网_新娱乐官网_新娱乐官网_新娱乐官网_新娱乐官网新娱乐官网_新娱乐官网_新娱乐官网_nAAn1I1W9
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
