olymmath

AIME 1993 Problem 4

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How many ordered four-tuples of integers (a,b,c,d) (a,b,c,d)\, with 0<a<b<c<d<500 0 < a < b < c < d < 500\, satisfy a+d=b+c a + d = b + c\, and bc−ad=93 bc - ad = 93\,?

Dataset text AIME 1983 to 2026. Quoted with source.

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870

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