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Guest May 2, 2017
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#1
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Neptune  May 2, 2017
#2
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Singing it to Pop goes the weasel can help you remember it.

Guest May 2, 2017
#3
+6765
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$$x = \dfrac{-b \pm \sqrt{b^2-4ac} }{ 2a}$$ :D

MaxWong  May 3, 2017

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