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抛物线的轴对称性是二次函数的一个重要特征,若能巧妙运用,可使求解变得简洁.请看下面的例子:一、求定点坐标例1(诸暨市)抛物
Parabola axisymmetry is an important feature of the quadratic function, if clever use, can make the solution become concise. See the following example: First, find the coordinate point Example 1 (Zhuji City) parabolic