This is the 17384th most frequent Russian word.
тележке
"Тележке" means "cart" or "trolley" in English.
In this sentence, 'тележке' is used to describe the location of something, involving a cart where 'на' governs the dative case.
Я поставил сумку на тележке.
I placed the bag on the cart.
Here, 'тележке' is used in the dative case to indicate that the books are positioned within the trolley.
Книжки лежат в тележке у угла.
The books are in the trolley by the corner.
In this example, 'тележке' appears in the dative case due to its use following the verb 'помогать', which requires the dative case for the object receiving help.