Soluzione - Long subtraction
166
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones |
| 4 | 9 | 4 | |
| - | 3 | 2 | 8 |
2. Subtract the numbers using long subtraction method
Because the upper digit (4) in the ones column is too small to get a positive difference, borrow 1 from the digit (9) in the next number place which becomes (8) and get (14).
| Place value | hundreds | tens | ones |
| 8 | 14 | ||
| 4 | 9 | 4 | |
| - | 3 | 2 | 8 |
Subtract the numbers in the ones column from the top number:
14-8=6
| Place value | hundreds | tens | ones |
| 8 | 14 | ||
| 4 | 9 | 4 | |
| - | 3 | 2 | 8 |
| 6 |
Subtract the numbers in the tens column from the top number:
8-2=6
| Place value | hundreds | tens | ones |
| 8 | 14 | ||
| 4 | 9 | 4 | |
| - | 3 | 2 | 8 |
| 6 | 6 |
Subtract the numbers in the hundreds column from the top number:
4-3=1
| Place value | hundreds | tens | ones |
| 8 | 14 | ||
| 4 | 9 | 4 | |
| - | 3 | 2 | 8 |
| 1 | 6 | 6 |
The solution is: 166
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