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.
普陀区电子游戏_『wn4.com_』金百博牛牛_w6n2c9o_2022年11月30日22时10分1秒_vxvfynhtv
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
