抛物线y=-x²+2x+3交x轴于点A(-1,0)、B(3,0),交y轴于点C.直线y=x+3经过C、M两点,并且与x轴交于点D.(1)若四边形CDAN是平行四边形,且点N在抛物线上,则点N的坐标为( ,) 【答案是(2,3) 这
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![抛物线y=-x²+2x+3交x轴于点A(-1,0)、B(3,0),交y轴于点C.直线y=x+3经过C、M两点,并且与x轴交于点D.(1)若四边形CDAN是平行四边形,且点N在抛物线上,则点N的坐标为( ,) 【答案是(2,3) 这](/uploads/image/z/4107373-61-3.jpg?t=%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D-x%26sup2%3B%2B2x%2B3%E4%BA%A4x%E8%BD%B4%E4%BA%8E%E7%82%B9A%EF%BC%88-1%2C0%EF%BC%89%E3%80%81B%EF%BC%883%2C0%EF%BC%89%2C%E4%BA%A4y%E8%BD%B4%E4%BA%8E%E7%82%B9C.%E7%9B%B4%E7%BA%BFy%3Dx%2B3%E7%BB%8F%E8%BF%87C%E3%80%81M%E4%B8%A4%E7%82%B9%2C%E5%B9%B6%E4%B8%94%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9D.%EF%BC%881%EF%BC%89%E8%8B%A5%E5%9B%9B%E8%BE%B9%E5%BD%A2CDAN%E6%98%AF%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2%2C%E4%B8%94%E7%82%B9N%E5%9C%A8%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8A%2C%E5%88%99%E7%82%B9N%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%EF%BC%88+%2C%EF%BC%89+%E3%80%90%E7%AD%94%E6%A1%88%E6%98%AF%EF%BC%882%2C3%EF%BC%89+%E8%BF%99)
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