chapelhillmathcircledotorg.files.wordpress.com · 2019. 11. 23. · 4åd/ (2001) o c on 9. the...

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Page 1: chapelhillmathcircledotorg.files.wordpress.com · 2019. 11. 23. · 4åd/ (2001) o c On 9. The average of the five numbers in a list is 54. The average of the first two ( t' s numbers
Page 2: chapelhillmathcircledotorg.files.wordpress.com · 2019. 11. 23. · 4åd/ (2001) o c On 9. The average of the five numbers in a list is 54. The average of the first two ( t' s numbers