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Author Topic: 2014 Mathcounts National Sprint 13  (Read 498 times)

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2014 Mathcounts National Sprint 13
« 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:







« Last Edit: February 08, 2019, 10:16:11 AM by Administrator »