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中考 2018 河南 - 22
Author:
acchu
GeoGebra
New Resources
Stairs (Optical Illusion)
Ellipse, Hyperbola and Circle as Envelopes
Napoleon's Theorem
Slope of a Straight Line: Run and Rise
Linear Cross Section Exercise
Discover Resources
section of sphere
A Cubicle
Circle Applet_Trigo Ratios
Station 1
Area [0,1] under y=1-x^2
Discover Topics
Congruence
Geometric Transformations
Arithmetic Operations
Translation
Solids or 3D Shapes