GeoGebra
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GeoGebra
图案A
Author:
吉顺国
Discover Resources
Heron's Area Formula
Area
Vertical Translation
The Oloid
Hornasummufallareglurnar
New Resources
Discovering the Pythagorean Theorem
Ritem življenja...
Isabelle Garand_equilateral triangle
Investigating Rotations
Triangle ASA
