This is the 858th most frequent Hungarian word.
feladat
Task; exercise; assignment.
Here, 'feladatok' is used to mean 'problems' or 'tasks' related to mathematics.
A matematikai feladatok megoldása nehéz lehet.
Solving mathematical problems can be difficult.
In this context, 'házi feladat' means 'homework,' a specific kind of 'task' given to students.
A tanár kiadta a házi feladatot a diákoknak.
The teacher assigned the homework to the students.
Here, 'feladatom' refers to a personal 'duty' or 'responsibility.'