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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
Flip 5 Coins.
Untitled
Experiments with Transformations in the Plane
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
power rule of x^n derivatives
Opdag Ressourcer
David Abdurakhmanov 4
The Bad Word
day 74
Applet. Finding Geometric Medians and Geometric Centers on a circle from discrete sample points.
Adding Fractions with Like Denominators in Word Problems
Udforsk emner
Rektangel
Legemer eller 3D-figurer
Sandsynlighed
Trapez
Integralregning