18-(32-14)+14-7+86-68

Решение:

\( 18 - (32 - 14) + 14 - 7 + 86 - 68 \)

1. \( 32 - 14 = 18 \)
2. \( 18 - 18 = 0 \)
3. \( 0 + 14 = 14 \)
4. \( 14 - 7 = 7 \)
5. \( 7 + 86 = 93 \)
6. \( 93 - 68 = 25 \)

Ответ: 25