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Hello everybody in this lecture we will be solving A beautiful puzzle that eluded AI, and the intuition it requires. our virtual career fair: 3b1b.co/talent See new ... The International Mathematical Olympiad ( Let A be the sum of the digits of 4444^4444, B the sum of digits of A, and C the sum of digits of B. Find C. Topic: Algebra Subtopic: Functional Equations. Based on Yufei Zhao's "diameter of the incircle" lemma... We solve a famous Number Theory A fascinating equation from the 2019 International Mathematical Olympiad (
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