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多邊形的內角和
Auteur:
現代中學數學 Modern Secondary Mathematics
Onderwerp:
Hoeken
,
Figuren
,
Veelhoeken
透過觀察多邊形可分割成三角形的數量，探究多邊形的內角和。 (1B 冊第 4.10 及 4.11 頁適用)
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Nieuw didactisch materiaal
Slope Between 2 Points (Phase 2)
apec
The Geometry of the Coefficients of a Quadratic Function
Sum of Squares: Proof without Words
Row and Column Views of Systems of Linear Equations
Ontdek materiaal
Paralellogram
parabola project
Projects from each partial
Simulate Spread of Disease 3
W23/2 Dilatation of a pentagon
Ontdek onderwerpen
Aftrekking
Rotatie
Verschuiving
Congruentie
Kegel