If x is a sum of all even integers on the interval…

If x is a sum of all even integers on the interval 13...65 and y is their number, what is the GCD (x, y)?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #78607

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