Soluzione - Long subtraction
21
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones |
| 5 | 6 | |
| - | 3 | 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 | tens | ones |
| 5 | 6 | |
| - | 3 | 5 |
| 1 |
Subtract the numbers in the tens column from the top number:
5-3=2
| Place value | tens | ones |
| 5 | 6 | |
| - | 3 | 5 |
| 2 | 1 |
The solution is: 21
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