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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
http://www.geogebra.hk
New Resources
兩組對邊相等和有直角的四邊形
柱體建築師
球体的体积推导
三位數除以一位數(一)
四邉形 (四年級) 教師版
Discover Resources
弦切角是圓心角的一半
多項式函數
testing book
改變係數觀察多項式圖形
环形跑道问题案例的制作
Discover Topics
Median Line
Coordinates
Parametric Curves
Triangles
Step Functions