3. 46 : i = 5 rest 6
i = (46-6) : 5
i = 40 : 5
i = 8
4. 62 : i = 6 rest 2
i = (62-2):6
i = 60 : 6
i = 10
5. 74 : x = 10 rest 4
x = (74-4) : 10
x = 70 : 10
x = 7
2. (a+a+1+a+2+a+3+a+4) = (1*2*3*4*5)+5
5a+10=120+5
5a+10=125
5a=125-10
5a= 115
a = 115/5
a = 23
cele 5 numere sunt: 23,24,25,26,27
exercitiul 1 nu am reusit sa-l rezolv