20 + 18 – 30 85 – 80 + 67 100 – (28 + 12) 70 – 56 + 16 92 – 72 + 35 100 – (49 + 21)

Question

Вопрос:

Ответ:

Accepted Answer

Решение:

1) 20 + 18 – 30 = 38 – 30 = 8

2) 85 – 80 + 67 = 5 + 67 = 72

3) 100 – (28 + 12) = 100 – 40 = 60

4) 70 – 56 + 16 = 14 + 16 = 30

5) 92 – 72 + 35 = 20 + 35 = 55

6) 100 – (49 + 21) = 100 – 70 = 30