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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
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Tetrahedrons
GGB Script: Slope field explorer
Transforming Quadratic Function Graphs: Discovery Lesson
Building Thinking Classrooms Automated Grading Rubric
ESSENTIAL KNOWLEDGE 2.4.A.1
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alexanderzdon-98gh76yz
Solving Linear Inequalities (Quiz) - Variable on One Side
parallelogram
TR KAY - rectangle
สำเนาของ Exponential function 10
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Sine
Reflection
Rational Numbers
Exponential Functions
Linear Functions