Four addition problems are shown where the numbers added together equal 10 in each case. The problems are: 8 + 2 = 10, 6 + 4 = 10, 5 + 5 = 10, and 3 + 7 = 10, with the last problem repeated.

2. 8 + 2 = 10

3. 6 + 4 = 10

4. 5 + 5 = 10

5. 3 + 7 = 10

6. 3 + 7 = 10