Deprecated: Caller from Wikibase\Lib\Store\Sql\SiteLinkTable::getItemIdForLink ignored an error originally raised from MathObject::readFromCache: [1054] Unknown column 'math_mathml' in 'field list' in /var/www/html/includes/debug/MWDebug.php on line 379 User talk:Admin - DRMF
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Revision as of 21:19, 9 October 2016 by imported>Admin(Created page with "<math>\operatorname{MRR}=\frac{1}{|Q|}\sum_{i=1}^{|Q|}\frac{1}{r_{i}}</math>")