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Deprecated: Array and string offset access syntax with curly braces is deprecated in /usr/local/virtual/mdl2020/www/lib/weblib.php on line 2984
Deprecated: Array and string offset access syntax with curly braces is deprecated in /usr/local/virtual/mdl2020/www/lib/moodlelib.php on line 5703
Deprecated: Array and string offset access syntax with curly braces is deprecated in /usr/local/virtual/mdl2020/www/question/engine/questionusage.php on line 695
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