New Book: Thank God Regardless Math, Merit, and Being Unapologetically Christian
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Free High School Math Olympiad (546 Problems & Solutions): 1430-Page Complete Collection of 2020–2026 Olympiad Mathematics Solutions by Jonathan Ramachandran (Free PDF Download)
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My APMO and IMO 2002 Experience: Facts and Perspectives You May Not Realize
I am writing this article to promote my Math Olympiad classes, beginning from the elementary-school level onward. Some…
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True and False with A Difference of Two Squares Dilemma
Question in Image Below Solution 22) Fact Perfect Squares can only have last…
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Sum of Digit of A where A is composed of Addends involving 9s Trick
SASMO Question in Image below Solution 21) Notice that 9 = 10 – 1…
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Chinese Remainder Theorem to find the Last Five Digits of 15^2015 SASMO
Using the Chinese Remainder Theorem to find the Last Five Digits of 15^2015 (SASMO Math Olympiad Problem) ….
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SASMO 2018 – Senior – Find AE + EC
Question and Solution in Images Note: A SASMO 2018 Sample for a senior secondary school Math Olympiad. A…
