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Formula:B
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Revision as of 23:00, 9 October 2016 by imported>Admin(Created page with "<math xmlns="http://www.w3.org/1998/Math/MathML" id="p1.1.m1.1" class="ltx_Math" alttext="{\displaystyle{\displaystyle\operatorname{MRR}=\frac{1}{n}\mathop{\sum_{i=1}^{%
n...")