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多邊形的內角和
Autor:
現代中學數學 Modern Secondary Mathematics
Tema:
Angles
,
Figures planes o Formes
,
Polígons
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)
GeoGebra
Nous materials
Pathway to Proof: Triangle Angles
רישום חופשי
Conway Circle Theorem
Rolling an Equilateral Triangle
Parallelogram Anatomy
Descobriu materials
calculus
Graphing Line from Intercepts
Multiplication Frame, Algebraic Factorisation.
savanna nine piece puzzle!finalcolor
Descobriu Temes
Mediana
Triangles Isòsceles
Enters
Tangent
Divisió