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Get off the Earth Puzzle
Author:
Ben Sparks
GeoGebra
Get off the Earth
Made famous by puzzler Sam Loyd. Count the swordmen. Move the red dot to the other side. Count the sword men again. What's going on?
New Resources
Exploring Simple Loci 探究簡單軌跡
Droste effect draft
alg2_05_05_01_applet_exp_2_flvs
Taylor Polynomial
Flip Flop
Discover Resources
EHS Circle theorems
Quadric Characteristic Polynomial
Complex numbers
Construction of Parallel Lines
A.3.3 Lesson Summary
Discover Topics
Vectors 3D (Three-Dimensional)
Coordinates
Calculus
Geometry
Median Value