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如图，△ABC的三个顶点都在5×5的网格（每个小正方形的边长均为1个单位长度）的格点上． （1）在网格中画出将△ABC绕点B顺时针旋转90°后的△A′BC′的图形． （2）求点A在旋转中经过的路...
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教案备课库《2016年广东省广州市荔湾区中考数学一模试卷》真题及答案
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