Validation Ideas

作者：Steve Phelps

Move the point to the TARGET COORDINATES! When you are within one unit in any direction of the target, the message changes. When you check your answer, the point is "frozen" so you can't move it until you click "Continue."

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Tangent Secant lines
NY - Alg 1 - Sec 2 - 20 - 1
Parallelogram Properties Exploration
Relativity: Velocity, Doppler-Bondi-k, and Rapidity (robphy)
Cross Sections

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代數
曲線描繪
矩形
二項分布
菱形

Validation Ideas

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