2. 78+9 36+5 92+0 7+18 9+33 0+50 43-4 58-9 86-86 36-8 24-6 18-0

Выполним вычисления в столбик:

1. 78 + 9 = 87


2. 36 + 5 = 41


3. 92 + 0 = 92


4. 7 + 18 = 25


5. 9 + 33 = 42


6. 0 + 50 = 50


7. 43 - 4 = 39


8. 58 - 9 = 49


9. 86 - 86 = 0


10. 36 - 8 = 28


11. 24 - 6 = 18


12. 18 - 0 = 18

Ответ:

78 + 9 = 87
36 + 5 = 41
92 + 0 = 92
7 + 18 = 25
9 + 33 = 42
0 + 50 = 50
43 - 4 = 39
58 - 9 = 49
86 - 86 = 0
36 - 8 = 28
24 - 6 = 18
18 - 0 = 18