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สุกัญญา โสธรพิทักษ์สกุล
GeoGebra
New Resources
Perpendicular and Parallel Slopes
Transforming Quadratic Function Graphs: Discovery Lesson
Transforming Square Root Function Graphs: Discovery Lesson
ESSENTIAL KNOWLEDGE 2.12.A.1
Parallel or Not?
Discover Resources
Spherical Geometry Ideas
Desargues' Two-Triangle Theorem
SSS: Exercise 2
พื้นผิวในปริภูมิสามมิติ
Year 10 Extension Non-Linear Relationships
Discover Topics
Statistics
Scatter Plot
Fractal Geometry
Rotation
Rational Numbers