1.一条直线过点(9,4),横截距比纵截距大5,求此直线的方程.2.若△ABC的顶点A(3,4),B(6,0),C(-5,-2),求∠A的平分线AT所在的直线方程3.一条直线被两条直线l:4x+y+6=0和l:3x-5y-6=0截得的线段的中
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![1.一条直线过点(9,4),横截距比纵截距大5,求此直线的方程.2.若△ABC的顶点A(3,4),B(6,0),C(-5,-2),求∠A的平分线AT所在的直线方程3.一条直线被两条直线l:4x+y+6=0和l:3x-5y-6=0截得的线段的中](/uploads/image/z/8490006-54-6.jpg?t=1.%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E8%BF%87%E7%82%B9%289%2C4%29%2C%E6%A8%AA%E6%88%AA%E8%B7%9D%E6%AF%94%E7%BA%B5%E6%88%AA%E8%B7%9D%E5%A4%A75%2C%E6%B1%82%E6%AD%A4%E7%9B%B4%E7%BA%BF%E7%9A%84%E6%96%B9%E7%A8%8B.2.%E8%8B%A5%E2%96%B3ABC%E7%9A%84%E9%A1%B6%E7%82%B9A%EF%BC%883%2C4%EF%BC%89%2CB%EF%BC%886%2C0%EF%BC%89%2CC%EF%BC%88-5%2C-2%EF%BC%89%2C%E6%B1%82%E2%88%A0A%E7%9A%84%E5%B9%B3%E5%88%86%E7%BA%BFAT%E6%89%80%E5%9C%A8%E7%9A%84%E7%9B%B4%E7%BA%BF%E6%96%B9%E7%A8%8B3.%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E8%A2%AB%E4%B8%A4%E6%9D%A1%E7%9B%B4%E7%BA%BFl%EF%BC%9A4x%2By%2B6%3D0%E5%92%8Cl%EF%BC%9A3x-5y-6%3D0%E6%88%AA%E5%BE%97%E7%9A%84%E7%BA%BF%E6%AE%B5%E7%9A%84%E4%B8%AD)
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