Answer:
219
Explanation:
To subtraction can be made as:
Because the first eight borrow a unit to the 0 and the zero became 10, then this 10 borrows a unit to 8, and it became 18. Finally, we make the
subtract:
18 - 9 = 9
9 - 8 = 1
7 - 2 = 5
Therefore, the answer is 219
