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.
서초키방㈛ 【YY82.iCU】 서초건마✒서초건마 서초키방 서초키스방✻서초키방
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random