Answer :
1289 -
943
First last number should be subtracted.
9 - 3 = 6
The second last
8 - 4 = 4
Then first number
2-9 = ?
Since it can't be divided, we have to borrow 10 from the previous number.
12-9 = 3
So the answer is,
346
943
First last number should be subtracted.
9 - 3 = 6
The second last
8 - 4 = 4
Then first number
2-9 = ?
Since it can't be divided, we have to borrow 10 from the previous number.
12-9 = 3
So the answer is,
346