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GeoGebra
Perpetual calendar
Author:
Teodoro Salazar López
, Jean David
1) Find the principle of the calendar. 2) Explain the red month for leap years.
Discover Resources
Application of vectors in physics
The Sierpinski Tetrahedron
Centroid
First construction
cube
New Resources
Triangle Inequality Theorem
Visual proofs of the sums of infinite geometric series, r<1의 복사본
Geometric Series의 복사본
Practice for the test
Quadrangular Trefoil Knot
