#圖解畢氏定理的證明。(也可以用西卡紙及方格紙演示給老師看)
 
#圖解畢氏定理的證明。(也可以用西卡紙及方格紙演示給老師看)
 
#寫1到13的平方。
 
#寫1到13的平方。
Fatal error: Uncaught TypeError: MWExceptionHandler::rollbackMasterChangesAndLog(): Argument #1 ($e) must be of type Exception, Error given, called in /volume1/web/wikiGrade1/includes/exception/MWExceptionHandler.php on line 137 and defined in /volume1/web/wikiGrade1/includes/exception/MWExceptionHandler.php:111 Stack trace: #0 /volume1/web/wikiGrade1/includes/exception/MWExceptionHandler.php(137): MWExceptionHandler::rollbackMasterChangesAndLog(Object(Error)) #1 [internal function]: MWExceptionHandler::handle(Object(Error)) #2 {main} thrown in /volume1/web/wikiGrade1/includes/exception/MWExceptionHandler.php on line 111