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.
日本大同工业大学本科offer（证件网:ｂｂｚｚ５８．ｃｏｍ)
日本大同工业大学本科offer（证件网:ｂｂｚｚ５８．ｃｏｍ)
Natural Language
Math Input
Extended Keyboard
