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.
逻辑： K = 8000 ， r = 0,3 ， P(0) = 1000 。计算 P(5) 。
逻辑： K = 8000 ， r = 0,3 ， P(0) = 1000 。计算 P(5) 。
Natural Language
Math Input
Extended Keyboard
