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.
린육성✂〚텔그@pmote7》 린대리♘린육성◆린대리 린학교✺린육성
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random