Find the smallest natural number whose digits sum to 25 and which consists only of different digits. Sequence Logic: Look at the sequence:
A farmer needs to transport a wolf, a goat, and a cabbage across a river in a boat that can only hold himself and one other item. If left alone, the wolf eats the goat, and the goat eats the cabbage. How many trips across the river are required to get everyone safely to the other side? metashkola olimpiada po matematike zadaniia
The MetaShkola website (Russian language) provides past problems and solutions. Find the smallest natural number whose digits sum