Soluzione - Long subtraction
491
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones |
| 5 | 5 | 6 | |
| - | 6 | 5 | |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
6-5=1
| Place value | hundreds | tens | ones |
| 5 | 5 | 6 | |
| - | 6 | 5 | |
| 1 |
Because the upper digit (5) in the tens column is too small to get a positive difference, borrow 1 from the digit (5) in the next number place which becomes (4) and get (15).
| Place value | hundreds | tens | ones |
| 4 | 15 | ||
| 5 | 5 | 6 | |
| - | 6 | 5 | |
| 1 |
Subtract the numbers in the tens column from the top number:
15-6=9
| Place value | hundreds | tens | ones |
| 4 | 15 | ||
| 5 | 5 | 6 | |
| - | 6 | 5 | |
| 9 | 1 |
Write 4 in the hundreds place.
| Place value | hundreds | tens | ones |
| 4 | 15 | ||
| 5 | 5 | 6 | |
| - | 6 | 5 | |
| 4 | 9 | 1 |
The solution is: 491
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