急!七年级下学期数学题,会做得来.6、线段CD是由线段AB平移得到的.点A(–1,4)的对应点为C(4,7),则点B(– 4,– 1)的对应点D的坐标为( )A.(2,9) B.(5,3) C.(1,2) D.(– 9
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![急!七年级下学期数学题,会做得来.6、线段CD是由线段AB平移得到的.点A(–1,4)的对应点为C(4,7),则点B(– 4,– 1)的对应点D的坐标为( )A.(2,9) B.(5,3) C.(1,2) D.(– 9](/uploads/image/z/624724-52-4.jpg?t=%E6%80%A5%21%E4%B8%83%E5%B9%B4%E7%BA%A7%E4%B8%8B%E5%AD%A6%E6%9C%9F%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E4%BC%9A%E5%81%9A%E5%BE%97%E6%9D%A5.6%E3%80%81%E7%BA%BF%E6%AE%B5CD%E6%98%AF%E7%94%B1%E7%BA%BF%E6%AE%B5AB%E5%B9%B3%E7%A7%BB%E5%BE%97%E5%88%B0%E7%9A%84%EF%BC%8E%E7%82%B9A%EF%BC%88%E2%80%931%2C4%EF%BC%89%E7%9A%84%E5%AF%B9%E5%BA%94%E7%82%B9%E4%B8%BAC%EF%BC%884%2C7%EF%BC%89%2C%E5%88%99%E7%82%B9B%EF%BC%88%E2%80%93+4%2C%E2%80%93+1%EF%BC%89%E7%9A%84%E5%AF%B9%E5%BA%94%E7%82%B9D%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%EF%BC%88++++++%EF%BC%89A%EF%BC%8E%EF%BC%882%2C9%EF%BC%89++B%EF%BC%8E%EF%BC%885%2C3%EF%BC%89+++C%EF%BC%8E%EF%BC%881%2C2%EF%BC%89++D%EF%BC%8E%EF%BC%88%E2%80%93+9)
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