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時鐘（教師用）
Author:
Steve Tsang
可顯示或隱藏分針，讓學生觀察時針的運動。
GeoGebra
New Resources
Friends and Money: Translating Verbal Expressions
Compound Interest Modeling and Questions
Euclid's Construction of a Regular Icosahedron
Pen Holder
Quadrilateral that Can Inscribe a Circle
Discover Resources
Untitled
Euler's Line
first
Exponential Function 11 with thanks to philipcollett
Kopie von surface area of a cube / Oberfläche eines Würfels
Discover Topics
Rational Numbers
Reflection
Complex Numbers
Trigonometry
Sequences and Series