已知二次函数y=ax2+bx+c(a≠0)的图像如图所示,有下列5个结论 1、abc<0,2、a+b+c<03、a+c>b4、a<(b-c)/2
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![已知二次函数y=ax2+bx+c(a≠0)的图像如图所示,有下列5个结论 1、abc<0,2、a+b+c<03、a+c>b4、a<(b-c)/2](/uploads/image/z/3715066-10-6.jpg?t=%E5%B7%B2%E7%9F%A5%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0y%3Dax2%2Bbx%2Bc%28a%E2%89%A00%EF%BC%89%E7%9A%84%E5%9B%BE%E5%83%8F%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E6%9C%89%E4%B8%8B%E5%88%975%E4%B8%AA%E7%BB%93%E8%AE%BA+1%E3%80%81abc%EF%BC%9C0%2C2%E3%80%81a%2Bb%2Bc%EF%BC%9C03%E3%80%81a%2Bc%EF%BC%9Eb4%E3%80%81a%EF%BC%9C%EF%BC%88b-c%29%2F2)
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