7+5= 11-3= 16-9= 17-8= 7+9= 14-6= 11-7= 8+8= 12-4= 13-6= 8+9= 16-7= 80-6= 6+7= 15-8= 6+9= 11-6= 12-8= 9+7= 18-9=

Решение:

Заполняем пропуски в примерах:

1. \( 7 + 5 = 12 \)
2. \( 11 - 3 = 8 \)
3. \( 16 - 9 = 7 \)
4. \( 17 - 8 = 9 \)
5. \( 7 + 9 = 16 \)
6. \( 14 - 6 = 8 \)
7. \( 11 - 7 = 4 \)
8. \( 8 + 8 = 16 \)
9. \( 12 - 4 = 8 \)
10. \( 13 - 6 = 7 \)
11. \( 8 + 9 = 17 \)
12. \( 16 - 7 = 9 \)
13. \( 80 - 6 = 74 \)
14. \( 6 + 7 = 13 \)
15. \( 15 - 8 = 7 \)
16. \( 6 + 9 = 15 \)
17. \( 11 - 6 = 5 \)
18. \( 12 - 8 = 4 \)
19. \( 9 + 7 = 16 \)
20. \( 18 - 9 = 9 \)

Ответ: 12, 8, 7, 9, 16, 8, 4, 16, 8, 7, 17, 9, 74, 13, 7, 15, 5, 4, 16, 9.