Răspuns :
[tex]8^{2}+n^{2}=10^{2} =\ \textgreater \ 64+n^{2}=100 |-64 =\ \textgreater \ n^2=36 =\ \textgreater \ n=6[/tex]
8 la a doua=64 10 la a doua=100 100-64=36 n*n=36 n=6