Question

observa fiecare desen si rezolva exercitiile​

Answer 1

Răspuns:

3+4=7....7-4=3

4+3=7.....7-3=4

7+3=10.....10-7=3

3+7=10.....10-3=7

Answer 2

Răspuns:

b)3+4=7

7-4=3

4+3=7

7-3=4

c)7+3=10

10-7=3

3+7=10

10-3=7