(47-17): 10 + (15•3+9•5): 9•4 =

Решение:

1. \( 47 - 17 = 30 \)
2. \( 15 \cdot 3 = 45 \)
3. \( 9 \cdot 5 = 45 \)
4. \( 30 : 10 = 3 \)
5. \( 45 + 45 = 90 \)
6. \( 90 : 9 = 10 \)
7. \( 10 \cdot 4 = 40 \)
8. \( 3 + 40 = 43 \)

Ответ: 43