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平行四邊形面積
Author:
曾己泉
Topic:
Parallelogram
平行四邊形的面積＝底 x 高
GeoGebra
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圓周公式的應用
探究三角形的全等條件
直線的斜率
第八周作业
祖冲之的期望：内棋与外棋
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由拉線80303林心怡
對稱圖形
錯角練習
梯形面積 Area of Trapezium
杨桃李GGB绘本
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Polygons
Means
Differential Calculus
Statistics
Cone