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IMO 1967 - Longlist Problems Question 14

IMO Shortlist · IMO 1967 - Longlist Problems

Question 14

(GDR 2) Which fraction $p/q$, where $p,q$ are positive integers less than $100$, is closest to $\sqrt2$? Find all digits after the decimal point in the decimal representation of this fraction that coincide with digits in the decimal representation of $\sqrt2$ (without using any tables).