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三角形的內角
Forfatter
現代中學數學 Modern Secondary Mathematics
Emne:
Trekanter
探究三角形內角和的性質。 (1B 冊第 3.47 頁適用)
GeoGebra
Nye Materialer
Prism Drawn in 2-Point Perspective
seo tool
အခြေခံ data အခေါ်အဝေါ်များ
bewijs stelling van Pythagoras
apec
Opdag Ressourcer
congruent segments
พิกัดจุดสามมิติ
Construction of an ellipse
Udforsk emner
Brøker
Aritmetiske operationer
Lineære ligninger
Tal
Addition