Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2018-part-01 — 181 problems (EN–VI) Question 4

Math Olympiad Vault · MathNet 2018-part-01 — 181 problems (EN–VI)

Question 4

Write in the cells of a $4 \times 4$ table a different natural number such that the sums by rows are equal and the products by columns are also equal.