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三個平行四邊形面積比較_李樂雯
Author:
Li Lok Man
GeoGebra
New Resources
Rolling Triangle
apec
Two-Way Tables and Ven Diagrams
Multiplication Area Model with Feedback: 3 Digit by 2 Digit Number
z`]]
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Class work 3/28/2016
Use transformations to show the rectangle is golden.
Gradient of Perpendicular Lines
snowfake6
Discover Topics
Sine
Cone
Division
Perimeter
Rhombus