19. 47 + 24 39 + 53 82 – 43 51 – 27 100 – 23 100 – 9 67 + 33 15 + 85

Решим примеры:

• $$47 + 24 = 71$$
• $$39 + 53 = 92$$
• $$82 - 43 = 39$$
• $$51 - 27 = 24$$
• $$100 - 23 = 77$$
• $$100 - 9 = 91$$
• $$67 + 33 = 100$$
• $$15 + 85 = 100$$