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Demonstrations 5141  5160 of 6875
What Color Is the Bear?
Stable Marriages
Binary Operators Satisfying Two Axioms
Colorcoded Country Comparison
Borromean Ring Removal
The First Lemoine Circle
Multiplication of Integers
The Area of a Triangle, its Circumradius, and the Perimeter of its Orthic Triangle
Addition and Subtraction of Integers
Symmetric Compositions of Rhombic Dodecahedra of the Second Kind
Dividing Mixed Numbers
Dividing Fractions
Concurrent Lines that Intersect on the Euler Line
Collinearity of an Orthocenter, the Incenter, and the Circumcenter
Multiplying Mixed Numbers
Concurrent Line Segments Related to the Incircle
Multiplying Fractions
Projections, an Altitude, and the Orthocenter
Astronomical Units of Length
Cubic Close Packing versus Hexagonal Close Packing
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