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.
澳门体育注册（手输：98bo.COM）澳门体育注册_澳门体育注册_澳门体育注册_澳门体育注册_澳门体育注册澳门体育注册_澳门体育注册_澳门体育注册_a2qsr2a3s
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
