下列不等式:①x²+3x-2>0和x²+3x-4>0②4x+5/(x+3)>8+5/(x+3)和4x>8;③4x+5/(x-3)>8+5/(x-3)和4xA①和② B.①和③ C.②和③ D②③④下列不等式中:①x²+3x-2>0和x²+3x-4>0; ②4x+5/(

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