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創意九宮格
Author:
spkwan
Topic:
Symmetry
Reference:
http://nrich.maths.org/1886/note
Related Topics
Angles
Congruence
Conic Sections
Constructions
Coordinates
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CCGPS AG 4.3.4 Example 2
Max in Interval
Limit - arcsin function
unit circle -3
Ambiguous Case Explorer
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Rectangle
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