在直角坐标系中,o是原点,A,B,C三点的坐标分别为{18,0},{18,6},{8,6}在直角坐标系中,O是原点,A、B、C三点的坐标分别为A(18,0),B(18,6),C(8,6),四边形OABC是梯形,点P、Q同时从原点出
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![在直角坐标系中,o是原点,A,B,C三点的坐标分别为{18,0},{18,6},{8,6}在直角坐标系中,O是原点,A、B、C三点的坐标分别为A(18,0),B(18,6),C(8,6),四边形OABC是梯形,点P、Q同时从原点出](/uploads/image/z/4067241-33-1.jpg?t=%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2Co%E6%98%AF%E5%8E%9F%E7%82%B9%2CA%2CB%2CC%E4%B8%89%E7%82%B9%E7%9A%84%E5%9D%90%E6%A0%87%E5%88%86%E5%88%AB%E4%B8%BA%7B18%2C0%7D%2C%7B18%2C6%7D%2C%7B8%2C6%7D%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%EF%BC%8CO%E6%98%AF%E5%8E%9F%E7%82%B9%EF%BC%8CA%E3%80%81B%E3%80%81C%E4%B8%89%E7%82%B9%E7%9A%84%E5%9D%90%E6%A0%87%E5%88%86%E5%88%AB%E4%B8%BAA%EF%BC%8818%EF%BC%8C0%EF%BC%89%EF%BC%8CB%EF%BC%8818%EF%BC%8C6%EF%BC%89%EF%BC%8CC%EF%BC%888%EF%BC%8C6%EF%BC%89%EF%BC%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2OABC%E6%98%AF%E6%A2%AF%E5%BD%A2%EF%BC%8C%E7%82%B9P%E3%80%81Q%E5%90%8C%E6%97%B6%E4%BB%8E%E5%8E%9F%E7%82%B9%E5%87%BA)
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