Soluzione - Long subtraction
207
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones |
| 6 | 0 | 1 | |
| - | 3 | 9 | 4 |
2. Subtract the numbers using long subtraction method
Because the upper digit (1) in the ones column is too small to get a positive difference, borrow 1 from the number to the left (60) which becomes (59) and get (11).
| Place value | hundreds | tens | ones |
| 5 | 9 | 11 | |
| 6 | 0 | 1 | |
| - | 3 | 9 | 4 |
Subtract the numbers in the ones column from the top number:
11-4=7
| Place value | hundreds | tens | ones |
| 5 | 9 | 11 | |
| 6 | 0 | 1 | |
| - | 3 | 9 | 4 |
| 7 |
Subtract the numbers in the tens column from the top number:
9-9=0
| Place value | hundreds | tens | ones |
| 5 | 9 | 11 | |
| 6 | 0 | 1 | |
| - | 3 | 9 | 4 |
| 0 | 7 |
Subtract the numbers in the hundreds column from the top number:
5-3=2
| Place value | hundreds | tens | ones |
| 5 | 9 | 11 | |
| 6 | 0 | 1 | |
| - | 3 | 9 | 4 |
| 2 | 0 | 7 |
The solution is: 207
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