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凸透鏡 Convex Lens
Author:
Alex CHIK
Drag the grey/ red points to change positions of the object. Drag the black point to change source of light.
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Set Operations (2 Sets)
Dividing a 3-digit number by a 1-digit number (1)
Marion's Theorem
z`]]
Discover Resources
Vertical stretch and shrink of cubic functions
الزاوية المماسية و المركزية
Golden Ratio
Resolution
Do Now 11/16
Discover Topics
Geometric Mean
Limits
Sphere
Arithmetic
LCM and GCD