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Probability computer

Author: mathforces
Problem has been solved: 24 times

Русский язык | English Language

The user entered 4 positive integer numbers into the computer. The computer, based on these numbers, can calculate the probability that the sum of some two of these numbers is greater than $ k $, less than $ k $, or equal to $ k $. It turned out that these probabilities are equal for $ k = 9 $. Find the sum of the different possible values for the product of the four numbers that you drive in.

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