發送短信

數:

提供者:

CAPTCHA:

 _    _      ___     _    _      ___     _    _   
| \  / ||   / _ \\  | |  | ||   / _ \\  | || | || 
|  \/  ||  | / \ || | |/\| ||  | / \ || | || | || 
| .  . ||  | \_/ || |  /\  ||  | \_/ || | \\_/ || 
|_|\/|_||   \___//  |_// \_||   \___//   \____//  
`-`  `-`    `---`   `-`   `-`   `---`     `---`

Please enter what you see:

發送短信 : Extension of Maschke’s theorem