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复习勾股定理
Author:
wangjiezailai
GeoGebra
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四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
第八周作业
直角坐標平面上的旋轉變換
判斷球體
Discover Resources
Jiawen Yun
集合的交集
中位线的副本
拋物線1-焦點法
拋物線4-平行四邊形法
Discover Topics
Linear Functions
Cone
Vectors 2D (Two-Dimensional)
Symmetry
Similar Triangles