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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
Task 1 (Ovdi)
Simple gravity pendulum
apec
רישום חופשי
Nikmati Keunggulan Di Bandar Judi Terpercaya
Opdag Ressourcer
Reflection Game 4
axetime
Dilations: Discovery Activities & Exercises
pro4
Interpreting and Using Exponential Functions: IM Alg2.4.7
Udforsk emner
Parabler
Regning
Kvadrat
Differentialregning
Differentialligninger