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

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發送短信 : Bridging the Mathematics Gap Through the Use of Mathematical Apps