Soluzione - Long subtraction
1.072
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones |
| 4 | 4 | 6 | 5 | |
| - | 3 | 3 | 9 | 3 |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
5-3=2
| Place value | thousands | hundreds | tens | ones |
| 4 | 4 | 6 | 5 | |
| - | 3 | 3 | 9 | 3 |
| 2 |
Because the upper digit (6) in the tens column is too small to get a positive difference, borrow 1 from the digit (4) in the next number place which becomes (3) and get (16).
| Place value | thousands | hundreds | tens | ones |
| 3 | 16 | |||
| 4 | 4 | 6 | 5 | |
| - | 3 | 3 | 9 | 3 |
| 2 |
Subtract the numbers in the tens column from the top number:
16-9=7
| Place value | thousands | hundreds | tens | ones |
| 3 | 16 | |||
| 4 | 4 | 6 | 5 | |
| - | 3 | 3 | 9 | 3 |
| 7 | 2 |
Subtract the numbers in the hundreds column from the top number:
3-3=0
| Place value | thousands | hundreds | tens | ones |
| 3 | 16 | |||
| 4 | 4 | 6 | 5 | |
| - | 3 | 3 | 9 | 3 |
| 0 | 7 | 2 |
Subtract the numbers in the thousands column from the top number:
4-3=1
| Place value | thousands | hundreds | tens | ones |
| 3 | 16 | |||
| 4 | 4 | 6 | 5 | |
| - | 3 | 3 | 9 | 3 |
| 1 | 0 | 7 | 2 |
The solution is: 1,072
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