Soluzione - Long subtraction
3.097
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones |
| 3 | 1 | 0 | 0 | |
| - | 3 | |||
2. Subtract the numbers using long subtraction method
Because the upper digit (0) in the ones column is too small to get a positive difference, borrow 1 from the number to the left (10) which becomes (09) and get (10).
| Place value | thousands | hundreds | tens | ones |
| 0 | 9 | 10 | ||
| 3 | 1 | 0 | 0 | |
| - | 3 | |||
Subtract the numbers in the ones column from the top number:
10-3=7
| Place value | thousands | hundreds | tens | ones |
| 0 | 9 | 10 | ||
| 3 | 1 | 0 | 0 | |
| - | 3 | |||
| 7 |
Write 9 in the tens place.
| Place value | thousands | hundreds | tens | ones |
| 0 | 9 | 10 | ||
| 3 | 1 | 0 | 0 | |
| - | 3 | |||
| 9 | 7 |
Write 0 in the hundreds place.
| Place value | thousands | hundreds | tens | ones |
| 0 | 9 | 10 | ||
| 3 | 1 | 0 | 0 | |
| - | 3 | |||
| 0 | 9 | 7 |
Write 3 in the thousands place.
| Place value | thousands | hundreds | tens | ones |
| 0 | 9 | 10 | ||
| 3 | 1 | 0 | 0 | |
| - | 3 | |||
| 3 | 0 | 9 | 7 |
The solution is: 3,097
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