Question

запиши примеры по приёму вычисления.

Answer 1

1.

21 + 16 = (20 + 10) + (1 + 6) = 30 + 7 = 37

2.

6 + 9 = 5 + (1 + 9) = 5 + 10 = 15

3.

7 + 9 = 6 + (1 + 9) = 6 + 10 = 16

4.

23 + 32 = (20 + 30) + (3 + 2) = 50 + 5 = 55

5.

5 + 9 = 4 + (1 + 9) = 4 + 10 = 14

6.

52 + 14 = (50 + 10) + (2 + 4) = 60 + 6 = 66