ASU 163 All Soviet Union MO 1972 numbers in a triangle table
Source:
July 3, 2019
combinatoricsalgebratriangle table
Problem Statement
The triangle table is constructed according to the rule: You put the natural number in the upper row, and then you write under the number from the left side , and from the right side -- . For example, if , you get the table on the picture. Prove that all the numbers on each particular line are different. 2
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4 3
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16 5 9 4
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