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Author:
万超杰
GeoGebra
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第八周作业
兩組對邊相等的四邊形
三位數除以一位數（二）
柱體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
正七邊形2
乘法公式1
Introduce Tangent Ratio
fastest curve
例题2（P点可拖动）
Discover Topics
Geometric Mean
Intersection
Parabola
Median Line
Fractions