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Balls in an Urn
Author:
Steve Phelps
Put nine red balls and one blue ball in an urn. Shuffle and take out 3 balls at random. Will all three be red?
GeoGebra
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Tanzanian Ngoma - Model 1
Solving 2x2 and 3x3 Systems Using Cramer's Rule
z`]]
Slopes of Straight Lines
Rotation in Cartesian Plane
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exponential and logarithm functions
Perspektive
pyramide
Parametric exploration sin-sin-offset
polygon pattern
連續百分數增減
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Logic
Surface
Arithmetic Operations
Natural Numbers
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