Four color challenge

Complete the coloring of this map, so that no two adjacent regions are the same color. You can only use four colors: Blue, Green, Red, and Purple.

Juan Carlos Ponce Campuzano — 18 novembre 2016 - 06:55

Licenza: CC-BY-SA, GeoGebra Terms of Use
Risorse derivate: Izazov četiriju boja
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