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what is Nn x NN what is the percent
(\frac{1}{z})^{min(\frac{x-2\sqrt{xy}+y}{2})} = 1
There are words that contain the letters nn. However, there are no words in the English language that begin with nn.
Because bbbb and gggg, so llll. But if you rrrr, then tttt can mmmm much better.
xy - xy = 0