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.
3신설키방は 【YY82.iCU】 신설키방♀신설op◆신설op✇신설키방 신설op
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random