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.
深圳南山区学生妹联系方式『谷歌外推排名联系TG@ehseo6』2022年10月7日14时3分43秒.d9n4k9h88
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random