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The Golden Ratio Within A Pentagram
Author:
Steve
The golden mean ratio (1.618) within a pentagram.
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Pythagoras' Theorem --Area dissection 2
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Fraction Addition
Combine Like Terms
SEMvMES
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Stained Glass Project
Question 2
均分除法（分數÷整數）_教學建議
Dudeney dissections
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Continuity
Calculus
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Angles