98+1-39+7+6-2+20-24

Решение:

\( 98 + 1 - 39 + 7 + 6 - 2 + 20 - 24 \)

1. \( 98 + 1 = 99 \)
2. \( 99 - 39 = 60 \)
3. \( 60 + 7 = 67 \)
4. \( 67 + 6 = 73 \)
5. \( 73 - 2 = 71 \)
6. \( 71 + 20 = 91 \)
7. \( 91 - 24 = 67 \)

Ответ: 67