ü Ȯ ren749.top 114 ٴ̾߱⵵ ˶¶θ 缳 ߸ ߸ ǰ ۺ

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.