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ashton's class
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genaro.mena
New Resources
Rectangle Construction Template
Cardioid
Square Construction Template (1)
Perfect Squares 1-30
List the Primes!
Discover Resources
Calculating circle in taxicab geometry
Forum complex
Reflections Investigation Activity
two clocks in k/n time !
三角函数定义
Discover Topics
Histogram
Difference and Slope
Median Value
Symmetry
Natural Numbers