Difference between revisions of "2021 AMC 10B Problems/Problem 8"
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Revision as of 22:15, 11 February 2021
Problem
Mr. Zhou places all the integers from to
into a
by
grid. He places
in the middle square (eighth row and eighth column) and places other numbers one by one clockwise, as shown in part in the diagram below. What is the sum of the greatest number and the least number that appear in the second row from the top?
Solution
A
comment
comment from AoPS user: can justify? (one you post a solution plz delete this)