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.
池塘捕鱼技巧『wn4.com』w1n2c3o.2022年10月8日2时18分56秒.bhkapyudf.cc
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
