There are various methods to solve suitable substraction operations for numbers up to 10 000
Arman has sold \(453\) stem pieces out of \(1\,789\) stem pieces he has. How many stems have not been sold?
Mathematical sentences: \(1\,789\space-\space453\space=\space\underline{\quad\quad}\)
Treat yourself with rewards for your hard work
There is something wrong with this question.