Questions & Answers about Мама ровно заплела дочке косу.
Why is it ровно, not ровную or some other adjective form?
Because ровно is an adverb here: it describes how the action was done.
- ровно заплела = braided neatly / evenly / smoothly
- It modifies the verb заплела
If you used an adjective like ровную, it would have to describe a noun, for example:
- ровную косу = a neat/even braid
So in this sentence, ровно tells us about the manner of braiding, not about the noun by itself.
Also, ровно can mean exactly in other contexts, but here it means something like evenly or neatly.
Why is дочке in the dative case?