48 : 6 ⋅ 4 + 6 ⋅ 9 - 26 + 13

Решение:

1. \( 48 : 6 = 8 \)
2. \( 8 \cdot 4 = 32 \)
3. \( 6 \cdot 9 = 54 \)
4. \( 32 + 54 = 86 \)
5. \( 86 - 26 = 60 \)
6. \( 60 + 13 = 73 \)

Ответ: 73.