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parentheses in 2:2 -3:3 - 4: 4-5:5 (V Soros Olympiad 1998-99 Round 1 9.1)

Source:

May 25, 2024
algebra

Problem Statement

Place parentheses in the expression 2:2−3:3−4:4−5:52:2 -3:3 - 4: 4-5:5 so that the result is a number greater than 3939.
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