This is the 3458th most frequent Russian word.
продемонстрировали
"Displayed" or "demonstrated."
Here, 'продемонстрировали' (demonstrated) shows an official or academic presentation of a method or technique as part of their work or research.
Ученые продемонстрировали новый метод лечения.
The scientists demonstrated a new treatment method.
In this sentence, 'продемонстрировали' (showcased) implies showing talents or abilities publicly to an audience.
Ученики продемонстрировали свои навыки на соревновании.
The students showcased their skills at the competition.
Here, 'продемонстрировали' (demonstrated) refers to showing the benefits or features of an object, likely for informative or promotional reasons.