Va rog mult,imi trebuie urgent raspunsul.

Răspuns:
Explicație pas cu pas:
[tex]\frac{4^{15}+4^{3}}{4^{12}} -\frac{1}{4^{9}} =\frac{4^{15}}{4^{12}} +\frac{4^{3}}{4^{12}}-\frac{1}{4^{12}}=4^{15-12}+\frac{4^{3}}{4^{3}*4^{9}}-\frac{1}{4^{9}}=4^{3}+\frac{1}{4^{9}}-\frac{1}{4^{9}}=4^{3}=64[/tex]