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Perpendicular lines
Author:
phoebe.stace
GeoGebra
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探究長方形對角線上的正方形數目
International Day of Mathematics 2025
centripetal force
רישום חופשי
Flip 4 Coins
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The less info, the better!
兩位數減法
Pythagoras Dirichlet
Slope-intercept
Invariant circle
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Set Theory
Derivative
Centroid or Barycenter
Isosceles Triangles
Integral Calculus