Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2020 — Math Olympiad Vault — Part 05 Question 44

Math Olympiad Vault · MathNet 2020 — Math Olympiad Vault — Part 05

Question 44

There are three cards, each bearing a number from $\{1,2,\ldots,10\}$. The cards were shuffled and dealt to three people, who recorded the numbers on their respective cards. The cards were then collected and the process repeated. After several repetitions, each person added their recorded numbers. The totals were 13, 15, and 23. What numbers were on the cards?