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垂直線的斜率
Forfatter
Anthony OR 柯志明
拖拉紅色 C 點，令兩線垂直。 兩垂直線的斜率有甚麼關係？
GeoGebra
柯志明 香港 GeoGebra 學院
Nye Materialer
Dividing a 2-digit number by a 1-digit number (2)
Dividing a 2-digit number by a 1-digit number (1)
רישום חופשי
seo tool
အခြေခံ data အခေါ်အဝေါ်များ
Opdag Ressourcer
Known Cross Section2a
Construction 4.3 Construction of Parallel Lines
Geogebra Tutorial: Line Design Complete
Kafli 1 dæmi 2
Untitled
Pythagoras, semicircles and lunes - Lesson+Exploration
Udforsk emner
Andengradsfunktioner
Aritmetiske operationer
Omskreven cirkel
Aritmetik
Trekanter