MathDB

1

Part of 2018 Lusophon Mathematical Olympiad

Problems(1)

numbers fill so that 5 lines have constant sum and four corners have sum 123

Source: Lusophon 2018 CPLP P1

9/13/2018
Fill in the corners of the square, so that the sum of the numbers in each one of the 55 lines of the square is the same and the sum of the four corners is 123123.
algebraSum