Solve the following addition problems: 33 + 48 + 9 + 7 = 56 + 18 + 17 + 9 = 26 + 15 + 27 + 18 = 37 + 8 + 19 + 25 =

Решение:

1. 33 + 48 + 9 + 7 = 97
2. 56 + 18 + 17 + 9 = 100
3. 26 + 15 + 27 + 18 = 86
4. 37 + 8 + 19 + 25 = 89

Ответ: 97, 100, 86, 89.