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Author:Dr. Ervin Howard

New Resources

Perpendicular Lines: Quick Exploration
Midpoint Theorem (V2): Integer Solutions
Odd Function Explorer
Congruent Figures
Slope Illustrator (2)

Discover Resources

investigating Intersecting Line Properties
Turtle(real) 1
Garner - Pre-Algebra Final Grade
Pythag Theorem
过圆内P点做弦MN使PM=2PN

Discover Topics

Distributions
Area
Interest Calculation
Intersection
Isosceles Triangles

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