As a kid I remember this network carved into the desk I sat at in Math class. I remember tracing it over and over again with my finger as I sort a solution.(If only I had the nerve to ask my teacher if he knew the solution or knew of the work of Euler).
Today I asked my son what illustration he thought I should include with the problem. He thought it would be nice to have a candy cane in the hand of an elf… so here it is.
cheers Adrian
PS Can you get your students to add one more path that will make this network traversable?
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