This is the 16878th most frequent Russian word.
совместному
"Совместному" means "to joint" or "to mutual" in English.
In this sentence, "совместному" is an adjective in the dative case describing "решению" (decision), emphasizing collaboration between parties.
Мы пришли к совместному решению.
We reached a joint decision.
Here, "совместному" modifies "обучению" (learning) in the dative case, highlighting collective participation in the learning process.
Этот проект посвящён совместному обучению.
This project is dedicated to joint learning.
In this example, "совместному" describes "успеху" (success) in the dative case, focusing on the shared nature of the achievement.