Ответ:

1. Rewrite all bases as powers of 5: 125 = 53, 25 = 52.
2. Substitute and simplify: (514 · (53)3) / (52)10 = (514 · 59) / 520 = 514+9 / 520 = 523 / 520 = 523-20 = 53.
3. Calculate the final value: 53 = 125.
Ответ: 125