如图所示,在平面直角坐标系中,求三角形ABO的面积A的坐标为(-3,2)B的坐标为(-1,3)
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![如图所示,在平面直角坐标系中,求三角形ABO的面积A的坐标为(-3,2)B的坐标为(-1,3)](/uploads/image/z/5409989-53-9.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2ABO%E7%9A%84%E9%9D%A2%E7%A7%AFA%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%EF%BC%88-3%2C2%EF%BC%89B%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%EF%BC%88-1%2C3%EF%BC%89)
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