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GeoGebra
GeoGebra Classroom
GeoGebra
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20190220 Q2
Author:
Franky_0219
GeoGebra
New Resources
折扣
第三周作业效果演示
斐波那契螺旋弧线（表格法-可动态调节）
双心四边形
撒针估算面积实验
Discover Resources
regular hexagon construction
空間向量座標
congruent triangles_provided by Mr Yeung Kar Chun
Copy of sin(x) 的函數圖形
ckt-任意角
Discover Topics
Trigonometric Functions
Inequalities
Limits
Coordinates
Dilation