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Graff
Rhannu
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81x^{4}+126x^{3}+67x^{2}+14x+1
Sgwâr 9x^{2}+7x+1.
81x^{4}+126x^{3}+67x^{2}+14x+1
Sgwâr 9x^{2}+7x+1.
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