具体请看下面对于抛物线y=x方+bx+c给出以下陈述:1:它的对称轴x=2 2:它与x轴有两个交点A,B 3:s三角形APB=27(P为抛物线的顶点)求使1 2 3得以同时成立时,常数b与c的值
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![具体请看下面对于抛物线y=x方+bx+c给出以下陈述:1:它的对称轴x=2 2:它与x轴有两个交点A,B 3:s三角形APB=27(P为抛物线的顶点)求使1 2 3得以同时成立时,常数b与c的值](/uploads/image/z/4326316-52-6.jpg?t=%E5%85%B7%E4%BD%93%E8%AF%B7%E7%9C%8B%E4%B8%8B%E9%9D%A2%E5%AF%B9%E4%BA%8E%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dx%E6%96%B9%2Bbx%2Bc%E7%BB%99%E5%87%BA%E4%BB%A5%E4%B8%8B%E9%99%88%E8%BF%B0%EF%BC%9A1%EF%BC%9A%E5%AE%83%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4x%3D2+2%3A%E5%AE%83%E4%B8%8Ex%E8%BD%B4%E6%9C%89%E4%B8%A4%E4%B8%AA%E4%BA%A4%E7%82%B9A%2CB+3%3As%E4%B8%89%E8%A7%92%E5%BD%A2APB%3D27%EF%BC%88P%E4%B8%BA%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E9%A1%B6%E7%82%B9%EF%BC%89%E6%B1%82%E4%BD%BF1+2+3%E5%BE%97%E4%BB%A5%E5%90%8C%E6%97%B6%E6%88%90%E7%AB%8B%E6%97%B6%2C%E5%B8%B8%E6%95%B0b%E4%B8%8Ec%E7%9A%84%E5%80%BC)
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