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GeoGebra Lesson
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Congruent Triangles 1
Author:
Anthony OR 柯志明
Topic:
Triangles
GeoGebra
Anthony Or. GeoGebra Institute of Hong Kong
New Resources
繪畫垂直線
Slope Illustrator (2)
Pythagorean Theorem: Quick Illustrator
Linear Equation Graphs: Thin Slice
Writing and Graphing Proportional Relationships (k>0)
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Demo of WHAT IF, i.e. analyzing sensitivity
Venturimeter
Triangular piramid (unfold)
ICT1
Sum of Squares 3d demo
Discover Topics
Statistics
Variance
Surface
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Random Variables