Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2015-part-01 — 191 problems (EN–VI) Question 60

Math Olympiad Vault · MathNet 2015-part-01 — 191 problems (EN–VI)

Question 60

Two positive integers $m$ and $n$ will be called *anagrams*, if each decimal digit $a$ appears as many times in the decimal representation of $m$ as in that of $n$. Is it possible to find four different positive integers such that each of them is an anagram of the sum of the other three?