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.
自制逆变捕鱼器『wn4.com』w1n2c3o.2022年10月8日5时42分44秒.al78sbd7m
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random