$$\frac{(a^5)^6 \cdot a^7}{a^{32}}$$ = $$\frac{a^{30} \cdot a^7}{a^{32}}$$ = $$\frac{a^{37}}{a^{32}}$$ = $$a^{37-32}$$ = $$a^5$$
При a = 3, $$3^5$$ = 243
Ответ: 243