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如图,⊙M与菱形ABCD在平面直角坐标系中,点M的坐标为(3,﹣1),点A的坐标为(﹣2,),点B的坐标为(﹣3,0),点C在x轴上,且点D在点A的左侧. (1)求菱形ABCD的周长; (2)若...
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教案备课库《2017年河北省廊坊市广阳区中考数学二模试卷》真题及答案
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