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A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: models/Site_model.php

Line Number: 233

Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
Line: 110
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 - 某次考試全班考得不理想其平均分數為30分標準差為5分陳老師決定調整分數將全班平均成績調為60分標準差10分請問甲生原考22分試問調整後的分數為 - 前往 https://yamol.tw/item-26. 某次考試結果，全班的平均數是36，標準差是2。老師決定每人先加3分後，再..-2026866.htm
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