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.
大橙子娱乐（网址:EDF6.COM）大橙子娱乐_大橙子娱乐_大橙子娱乐_大橙子娱乐_大橙子娱乐大橙子娱乐_大橙子娱乐_大橙子娱乐_tEPuEu2vv
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
