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平行四邊形
Author:
李春培
Topic:
Parallelogram
GeoGebra
New Resources
兩位數除以一位數(二)
【案例】2013年安徽高考15题
拼砌四邊形
兩組對邊相等的四邊形
異分母分數減法
Discover Resources
點光源圖
測試教案 80630 張哲綸
銳角三角:tan
探索三角函数的图像
多邊形的切割與拼砌的副本
Discover Topics
Cone
Curve Sketching
Differential Equation
Derivative
Equilateral Triangles