几道高一第一学期的数学题,解不等式一题,基本不等式一题,不等式证明一题求值域一题,1.(2-4X)/(X²-3x+2)≥X+1 没办法约分,X+1移过去太复杂了 答案是X≤0或2≤X<32.已知a>0,求(a²+16)/a
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![几道高一第一学期的数学题,解不等式一题,基本不等式一题,不等式证明一题求值域一题,1.(2-4X)/(X²-3x+2)≥X+1 没办法约分,X+1移过去太复杂了 答案是X≤0或2≤X<32.已知a>0,求(a²+16)/a](/uploads/image/z/1986533-53-3.jpg?t=%E5%87%A0%E9%81%93%E9%AB%98%E4%B8%80%E7%AC%AC%E4%B8%80%E5%AD%A6%E6%9C%9F%E7%9A%84%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E8%A7%A3%E4%B8%8D%E7%AD%89%E5%BC%8F%E4%B8%80%E9%A2%98%2C%E5%9F%BA%E6%9C%AC%E4%B8%8D%E7%AD%89%E5%BC%8F%E4%B8%80%E9%A2%98%2C%E4%B8%8D%E7%AD%89%E5%BC%8F%E8%AF%81%E6%98%8E%E4%B8%80%E9%A2%98%E6%B1%82%E5%80%BC%E5%9F%9F%E4%B8%80%E9%A2%98%2C1.%EF%BC%882-4X%29%2F%28X%26%23178%3B-3x%2B2%EF%BC%89%E2%89%A5X%2B1+%E6%B2%A1%E5%8A%9E%E6%B3%95%E7%BA%A6%E5%88%86%2CX%2B1%E7%A7%BB%E8%BF%87%E5%8E%BB%E5%A4%AA%E5%A4%8D%E6%9D%82%E4%BA%86+%E7%AD%94%E6%A1%88%E6%98%AFX%E2%89%A40%E6%88%962%E2%89%A4X%EF%BC%9C32.%E5%B7%B2%E7%9F%A5a%3E0%2C%E6%B1%82%EF%BC%88a%26%23178%3B%2B16%EF%BC%89%2Fa)
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