Dare for high level!!!

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(n∑▒(x_i-x ̅ )^4 )/[∑_(i=3)^n▒(x_i-x^(-2) )^2 ]^2 -3

Guest Dec 2, 2015

edited by Guest Dec 2, 2015

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1⁺⁰ Answers

+118724

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This looks sooooo very difficult

Melody Dec 2, 2015

edited by Melody Dec 2, 2015

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