Question

exemple de adunari si scaderi cu trecere peste ordin

Answer 1

28-19
30-9
40-5
21-7
25-9
129-30
123+239
459+566
89+27
169+39
456-49
987-689
   Sper ca te-am ajutat!!!

Answer 2

12-7=5
20-15=5
20-3=17
30-2= 28
30 -13=17
50-9=41
60-4=56

8+9=17
14+6=20
19+12=31
17+6=23
12+18=30
24+6=30
24+7=31
15+15=30
13+7=20