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平行四邊形
Author:
Ching-Hui Chou
Topic:
Parallelogram
GeoGebra
New Resources
四邉形 (四年級) 教師版
異分母分數減法
第八周作业
【案例】2018年全国1卷理科12题
GeoGebra笔记功能体验课件
Discover Resources
鏡射矩陣
物件的平移概念
優良作品2(孟倫)
Math Project
动态三角形
Discover Topics
Functions
Division
Parabola
Reflection
Similar Triangles