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Upside Down?
Author:
Anthony OR 柯志明
Topic:
Circle
A coin is rolling around another fixed identical coin without slipping. If the coin starts with the head up, is the coin head up or down when it is directly opposite to its starting position, as indicated by the dotted circle?
GeoGebra
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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Pendulum Snake
Trophy
Trophy (version 2)
task1_lightBulb
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sqrt{n}
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Angle Relationships
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หาจุดตัดแกน x y
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