Revision history of "1998 CEMC Gauss (Grade 7) Problems/Problem 20"

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  • (cur | prev) 16:45, 29 January 2021Coolmath34 (talk | contribs). . (532 bytes) (+532). . (Created page with "== Problem == Each of the 12 edges of a cube is coloured either red or green. Every face of the cube has at least one red edge. What is the smallest number of red edges? <ma...")
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