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如图,在平面直角坐标系中,矩形OABC的顶点A(0,3)、C(-1,0).将矩形OABC绕原点O顺时针方向旋转90°,得到矩形OA'B'C'.设直线BB'与x轴交于点M、与y轴交于点N,抛物线经过点...
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教案备课库《九(1)年级数学学案二次函数与平行四边形(2)》真题及答案
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