Question

Am nevoie urgent!! Dau coroana ​

Answer 1

Răspuns:

n=36=6^2

Explicație pas cu pas:

a^2-b^2=72 <=> (a-b)*(a+b)=72

a+b=12

=>a-b=72:12=6 => n=5(a-b)+6=5*6+6=36