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Jul 26, 2012 ... Symbols are everywhere in math, but do you know what they mean? ... the relationship between these symbols, which we sometimes think of as 'U's and 'V's ?” So let's mind our Us and Vs, and their upside-down companions, ... - read more

Apr 29, 2008 ... the problem is set X- (1,2,3,4,5,6,7,8,9,10) and set Y -(all of the prime factors of 36 ) what is the X(upsidedown U) Y? - read more

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