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: 109
Function: get_keyword_cat

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

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 - 除二 - 前往 https://www.math-thinking.org.tw/single-post/2017/07/27/q-除以的意思：我家小孩問我，為什麼「6-2」要讀成「2除6」或「6除以2」？要怎麼回答他呢？
疑難雜症萬事通
在網路上遇到任何問題都可以在這邊找找看唷

Search

您即將離開本站

並前往 https://www.math-thinking.org.tw/single-post/2017/07/27/q-%E9%99%A4%E4%BB%A5%E7%9A%84%E6%84%8F%E6%80%9D%EF%BC%9A%E6%88%91%E5%AE%B6%E5%B0%8F%E5%AD%A9%E5%95%8F%E6%88%91%EF%BC%8C%E7%82%BA%E4%BB%80%E9%BA%BC%E3%80%8C6-2%E3%80%8D%E8%A6%81%E8%AE%80%E6%88%90%E3%80%8C2%E9%99%A46%E3%80%8D%E6%88%96%E3%80%8C6%E9%99%A4%E4%BB%A52%E3%80%8D%EF%BC%9F%E8%A6%81%E6%80%8E%E9%BA%BC%E5%9B%9E%E7%AD%94%E4%BB%96%E5%91%A2%EF%BC%9F

是否確定要離開？