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พื้นที่ผิวในปริภูมิสามมิติ
Author:
เบญจวรรณ สำเภาทอง
GeoGebra
New Resources
Astroidal Ellipsoid
Open Middle: Ellipse Graph Exercise
Thin Slice Pythagorean Discovery
Sphere from Circles
Parabola Equation Anatomy
Discover Resources
English M.A.T.H.S. book
Why is the word "corresponding" important? Part 2
Solids of Revolution - Part 3
Transversal Intersects Parallel Lines
Bisect an angle
Discover Topics
Surface
Indefinite Integral
Linear Regression
Ellipse
Geometric Distribution