Feliz/Happy 2014的副本

Author:xiaodandan, Ester Alonso

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General Polar Equation of Conics with Rotation (1)
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အခြေခံ data အခေါ်အဝေါ်များ
רישום חופשי
Parallel Lines and Angles: Thinking Classroom Exploration

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Polygon Tasks
Centre of Symmetry
Shadow
Wheels

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Special Points
Pyramid
Piecewise Functions
Multiplication
Subtraction