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多邊形的內角和
Autor:
現代中學數學 Modern Secondary Mathematics
Tema:
Ángulos
,
Figuras planas
,
Polígonos
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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