40:8+2*100 40:(8+2)*100 (40:8+2)*100

Решение:

1. \( 40 : 8 + 2 \cdot 100 = 5 + 200 = 205 \)
2. \( 40 : (8+2) \cdot 100 = 40 : 10 \cdot 100 = 4 \cdot 100 = 400 \)
3. \( (40 : 8 + 2) \cdot 100 = (5 + 2) \cdot 100 = 7 \cdot 100 = 700 \)

Ответ: 205, 400, 700.