如图,在直角坐标系中,矩形OABC的顶点O与坐标原点重合,顶点A,C分别在坐标轴上,顶点B的坐标为(4,2).过点D(0,3)和E(6,0)的直线分别与AB,BC交于点M,N.(1)求直线DE的解析式和点M的坐标;
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![如图,在直角坐标系中,矩形OABC的顶点O与坐标原点重合,顶点A,C分别在坐标轴上,顶点B的坐标为(4,2).过点D(0,3)和E(6,0)的直线分别与AB,BC交于点M,N.(1)求直线DE的解析式和点M的坐标;](/uploads/image/z/3662718-6-8.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E7%9F%A9%E5%BD%A2OABC%E7%9A%84%E9%A1%B6%E7%82%B9O%E4%B8%8E%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%E9%87%8D%E5%90%88%2C%E9%A1%B6%E7%82%B9A%2CC%E5%88%86%E5%88%AB%E5%9C%A8%E5%9D%90%E6%A0%87%E8%BD%B4%E4%B8%8A%2C%E9%A1%B6%E7%82%B9B%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%EF%BC%884%2C2%EF%BC%89%EF%BC%8E%E8%BF%87%E7%82%B9D%EF%BC%880%2C3%EF%BC%89%E5%92%8CE%EF%BC%886%2C0%EF%BC%89%E7%9A%84%E7%9B%B4%E7%BA%BF%E5%88%86%E5%88%AB%E4%B8%8EAB%2CBC%E4%BA%A4%E4%BA%8E%E7%82%B9M%2CN%EF%BC%8E%EF%BC%881%EF%BC%89%E6%B1%82%E7%9B%B4%E7%BA%BFDE%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%E5%92%8C%E7%82%B9M%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%9B)
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