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.
12 运动员中颁 1, 2, 3 名。总?(答: 1 320 。)
12 运动员中颁 1, 2, 3 名。总?(答: 1 320 。)
Natural Language
Math Input
Extended Keyboard