Quadrilateral Hole in Quadrilateral; Magic Octahedron - TMC S02E08

Описание к видео Quadrilateral Hole in Quadrilateral; Magic Octahedron - TMC S02E08

We continue the discussion on the "square hole in a square" problem and extend it to rectangles and parallelograms. We discuss a short new puzzle from AR Rao's "Brain Sharpeners" .
Q66. Magic Octahedron
Write the numbers 1 to 8 on the 8 faces of an Octahedron such that the sum of the numbers on the four faces meeting at every vertex is the same.

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