Tag: four colors suffice
The Four-Color Theorem
The Four-Color Theorem Normally, when you color in a pattern in a coloring book, you don’t pay attention to how many colors you need. You use as many crayons as you have available. But, what if you only had two or three or four crayons and you were asked not to let any color meet the same […]
Filed in: arts & crafts & educational • education • Playtime
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