發送短信

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 _    _     _____     ____     __   __            
| \  / ||  |  ___||  |  _ \\   \ \\/ //   ____    
|  \/  ||  | ||__    | |_| ||   \ ` //   |    \\  
| .  . ||  | ||__    | .  //     | ||    | [] ||  
|_|\/|_||  |_____||  |_|\_\\     |_||    |  __//  
`-`  `-`   `-----`   `-` --`     `-`'    |_|`-`   
                                         `-`

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發送短信 : Representasi matriks triangular tergeneralisasi pada ring deret pangkat tergeneralisasi terbelit