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PeterGustav

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PeterGustav last won the day on December 30 2015

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About PeterGustav

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  1. Titik-titik konsiklis

    AC.AD/(BC.BD)=Luas ACD/Luas BCD = AE/BE
  2. CS kah?

    $\frac{(x^2+y^2+z^2)(x^3+y^3+z^3)}{(x^4+y^4+z^4)} <= x+y+z$
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