Sam's Math Club

Problems Corner => Mathcounts Problems => Topic started by: admin on February 08, 2019, 10:14:13 AM

Title: 2014 Mathcounts National Sprint 13
Post by: admin on February 08, 2019, 10:14:13 AM
2014 Mathcounts National Sprint 13

Third hardest problem in the test. Only 45 out of 224 national competitors got correct.

In fact this problem is exactly the same as our problem in twenty problem solving skills chapter 1 magic squares problem 9.

Click to enlarge:

(http://www.mymathcounts.com/Forum/index.php?action=dlattach;topic=2839.0;attach=4645;image)

(http://www.mymathcounts.com/Forum/index.php?action=dlattach;topic=2839.0;attach=4646;image)


(http://www.mymathcounts.com/Forum/index.php?action=dlattach;topic=2839.0;attach=4647;image)