Question 20
Put one of 1, 2, 3, 4, …, 8 or 9 in each square so that the sum of the numbers in the horizontal row equals the sum of the numbers in the vertical column. Give a complete arrangement.
The source does not explicitly state whether repetition is allowed. In this practice edition, use each of the numbers 1 to 9 exactly once. The task requires all nine entries and is marked manually.
The source does not explicitly state whether repetition is allowed. In this practice edition, use each of the numbers 1 to 9 exactly once. The task requires all nine entries and is marked manually.