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.
野河捕鱼用什么工具好『wn4.com』w1n2c3o.2022年10月7日23时45分45秒.yhdjyp3bl
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random