\[p(x)=a_0 + a_1 x + a_2 x^2 + \cdots + a_n x^n\]
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Violent confrontations in the world’s youngest country between the military, which is loyal to President Salva Kiir, and insurgents believed to be allied to the suspended vice-president, Riek Machar, have increased in recent weeks.，更多细节参见同城约会
В России спрогнозировали стабильное изменение цен на топливо14:55