64+(66-5-30)-(27+35)+3

Решение:

\( 64 + (66 - 5 - 30) - (27 + 35) + 3 \)

1. \( 66 - 5 = 61 \)
2. \( 61 - 30 = 31 \)
3. \( 27 + 35 = 62 \)
4. \( 64 + 31 = 95 \)
5. \( 95 - 62 = 33 \)
6. \( 33 + 3 = 36 \)

Ответ: 36