Andy Liu
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Geometry in Landscaping What’s the Diameter?
Klaus Puhlmann
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Conversion from Fahrenheit to Celsius Simplified?
Klaus Puhlmann
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Calendar Math
Arthur Jorgensen
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The Length of the Radius of the Sphere
Klaus Puhlmann
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Calendar Math
Art Jorgensen
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The Age of the Young Woman
Klaus Puhlmann
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Sue’s Calculator Board
Klaus Puhlmann
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Calendar Math
Art Jorgensen
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Ages of John’s Three Daughters
Klaus Puhlmann