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一线三直角模型证全等
Author:
陈宜红
Topic:
Constructions
,
Triangles
GeoGebra
New Resources
比較五件物件的重量
撒针估算面积实验
活动三：应用性质
第三周作业效果演示
三角函数 的副本
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指數函數的圖形(2)
rotational symmetry_4
(004)80102史巧薇
四邊形外接正方形
S3 Ch4.3 試做4.6b 三視圖(3D圖)
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Similar Triangles
Quadratic Functions
Tangent Function
Function Graph
Rotation