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Căiți termeni au șirurile :
a)7,14,21........287
b)3,7,11,.........59
Primiți Corona!


Răspuns :

7*1;7*2;...7*41 total 41de termeni
as simple as that!!!


4*0+3; 4*1+3; 4*2+3....;4*14+3 total 14+1=15 termeni
as complicated as that!!!