Răspuns:
5¹²
Explicație pas cu pas:
[tex]\display\style\bf\ [(5^{4})^{5}]^{3} : (5*5^{15} )^{3} =\\\\(5^{4*5})^{3} : (5^{15+1} )^{3} =\\\\(5^{20})^{3} : (5^{16} )^{3}=\\\\5^{20*3} : 5^{16*3}=\\\\5^{60} : 5^{48}=\\\\5^{60-48}=\\\\\boxed{\display\style\bf\ 5^{12}}[/tex]
