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.
린학교✱﹝ㅌㄹPmote7） 린학교❃린대리♩린학교✍린학교♮린육성
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
