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Howard K. Fehr's notes
Auteur :
Doug Kuhlmann
A readable if not perfect pdf copy of the section from Fehr that describes this technique. (1951) Fehr was head of the Teaching of Mathematics dept in Teacher's College Columbia.
Fehr_1951_ComplexGraphs.pdf
Nouvelles ressources
Conway Circle Theorem
Building Figures with Set Areas
apec
Slope Between 2 Points (Phase 2)
Perimeter of Rectangle
Découvrir des ressources
Top Ones
Step 5
Função crescente - exemplo
Multiplication of negative numbers easy
Fraction Strips
Découvrir des Thèmes
Matrices
Allure de Courbe
Droite Médiane
Angles
Arithmétique