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有趣的梯形面積問題
Author:
Cychoy
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
拼砌四邊形
兩位數除以一位數（一）
柱體建築師
球體建築師
Discover Resources
廣義三角函數
Demonstration of the angles at the same segment
P.4不規則圖形的周界
一次函数图像
geogebra和初中数学课程深度融合
Discover Topics
Geometry
Right Triangles
Cuboid
Congruence
Power Functions