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Severity: Notice

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Backtrace:

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Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
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Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

疑難雜症萬事通 - 小明買了5元及10元的郵票若干張且總價錢不超過40元若此兩種郵票都有買則共有幾種買法 - 前往 https://yamol.tw/item-26.有一數學問題：「小明到郵局，買了 5 元郵票和 12 元郵票共 10 張，..-2739060.htm
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