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

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發送短信 : Ethnomathematics for capacity building in mathematics education