5 non-distinct marbles are put into 3 non-distinct bags. How many ways are there to sort the marbles?
5 - 0 - 0
4 - 1 - 0
3 - 1 - 1
3 - 2 - 0
2 - 2 - 1
So, \(\color{brown}\boxed{5}\) ways
+53 
+2668 
