45) (5¹⁵ · 5¹²) / (125 · (5⁸)³)

\(\frac{5^{15}\cdot5^{12}}{125\cdot(5^8)^3}=\frac{5^{27}}{5^3\cdot5^{24}}=\frac{5^{27}}{5^{27}}=1\)

Ответ: 1