Решение:
- \( 34 + (5 + 30) = 34 + 35 = 69 \)
- \( (50 + 19) - 12 = 69 - 12 = 57 \)
- \( (82 - 70) + 33 = 12 + 33 = 45 \)
- \( (30 - 17) + 13 = 13 + 13 = 26 \)
- \( (23 - 20) + 17 = 3 + 17 = 20 \)
- \( (22 + 40) - 60 = 62 - 60 = 2 \)
Ответ: 69, 57, 45, 26, 20, 2.