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24
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Problem 1.

Find the number of positive integer pairs (x,y) that satisfy xy ≤ 35.

 

Problem 2.

Find the number of positive integer pairs (x,y) that satisfy 20x ≥ 24y and x < 360.

 

Problem 3.

Find the number of positive integer pairs (x,y) that satisfy \(\sqrt x\) ≥ y and x ≤ 2024 .

 

Problem 4. 

Find the number of positive integer pairs (x,y) that satisfy x^3 − 30x^2 + 198x + 2024 ≥ y and x ≤ 20 .

 Apr 11, 2024

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