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22题宋祥问
Author:
万超杰
GeoGebra
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第八周作业1
撒针估算面积实验
活动三：应用性质
第八周作业3
异形操场
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中一︰全等圖形（平移、旋轉、反射）
交錯弓形的圓周角
ghseh 二次函數描點法左右平移-2
Tangent perpendicular to radius
奠基
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Symmetry
Angles
Logarithmic Functions
Rectangle
General Quadrilateral