Răspuns :
16⁵ + 2¹⁵ =
= 2⁴⁾⁵ + 2¹⁵
= 2²⁰ + 2¹⁵
= 2¹⁵ ·(2⁵ + 1)
= 2¹⁵·(32 + 1)
= 2¹⁵·33 divizibil cu 33
= 2⁴⁾⁵ + 2¹⁵
= 2²⁰ + 2¹⁵
= 2¹⁵ ·(2⁵ + 1)
= 2¹⁵·(32 + 1)
= 2¹⁵·33 divizibil cu 33
[tex]16^{5}+2^{15}=\\ \\=(2^{4})^{5}+2^{15}=\\ \\=2^{4*5}+2^{15}=\\ \\=2^{20}+2^{15}=\\ \\=2^{15}(2^{5}+1)=\\ \\=2^{15}(32+1)=\\ \\=2^{15}*33~divizibil~cu~33\\ \\ \rightarrow~16^{5}+2^{15}~este~divizibil~cu~33[/tex]