Question 15
Loes has started to write some numbers in the table. She decides that each row and column will contain the numbers 1, 2 and 3, each number exactly once. What is the sum of the numbers that she will write in the two shaded squares?
| Column 1 | Column 2 | Column 3 |
| --- | --- | --- |
| 1 | | |
| | 2 | Shaded |
| | | Shaded |
| Column 1 | Column 2 | Column 3 |
| --- | --- | --- |
| 1 | | |
| | 2 | Shaded |
| | | Shaded |