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Spotlight 探射燈
Author:
Alex CHIK
Move the orange points and the blue point. Observe the light. 移動三個橙色點或藍色點,觀察燈光的改變。
GeoGebra
GeoGebra 互動數學教室
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New Resources
第八周作业3
撒针估算面积实验
中华人民共和国国旗
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)
Discover Resources
從 12 面體、20 面體到 C60 C80
电子表格建点
配方法 Completing the Square
congruent triangle_provided by Mr Yeung Kar Chun
两角和的正切公式几何证明
Discover Topics
Function Graph
Orthocenter
Integral Calculus
Pyramid
Vectors 2D (Two-Dimensional)