Soluzione - Long subtraction
215
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones |
| 2 | 8 | 5 | |
| - | 7 | 0 | |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
5-0=5
| Place value | hundreds | tens | ones |
| 2 | 8 | 5 | |
| - | 7 | 0 | |
| 5 |
Subtract the numbers in the tens column from the top number:
8-7=1
| Place value | hundreds | tens | ones |
| 2 | 8 | 5 | |
| - | 7 | 0 | |
| 1 | 5 |
Write 2 in the hundreds place.
| Place value | hundreds | tens | ones |
| 2 | 8 | 5 | |
| - | 7 | 0 | |
| 2 | 1 | 5 |
The solution is: 215
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