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พื้นผิวในปริภูมิสามมิติ
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ปราณี นาสิงห์ขันธ์
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New Resources
G_11.04 Inscribed angles and polygons
Artwork by Daniel Linus Torres
Monty Hall Problem
Spring around torus
GAME Hit the coconut! - comparing decimals
Discover Resources
Co-ordinate quiz
Q3 Final Math 3 Honors
The angle at the centre of a circle is twice the angle on the circle subtended by the same arc.
Derivative interactive
Altitudes a - e
Discover Topics
Quadratic Functions
Reflection
Circle
Linear Regression
Conic Sections