ВАРИАНТ 5.

Решение:

1. \( 47 + 8 = 55 \)
2. \( 63 - 6 = 57 \)
3. \( 28 - 9 = 19 \)
4. \( 26 + 5 = 31 \)
5. \( 72 - 6 = 66 \)
6. \( 53 + 8 = 61 \)
7. \( 38 + 6 = 44 \)
8. \( 18 + 3 = 21 \)
9. \( 32 - 9 = 23 \)
10. \( 81 - 3 = 78 \)

Ответ: 55, 57, 19, 31, 66, 61, 44, 21, 23, 78.