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Revision history of "1999 CEMC Gauss (Grade 8) Problems/Problem 16"

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  • (cur | prev) 15:38, 15 September 2025‎ Anabel.disher (talk | contribs)‎ . . (1,109 bytes) (+1,109)‎ . . (Created page with "==Problem== In a set of five numbers, the average of two of the numbers is <math>12</math> and the average of the other three numbers is <math>7</math>. The average of all fiv...")
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