Soluzione - Long subtraction
770
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones |
| 7 | 9 | 2 | |
| - | 2 | 2 | |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
2-2=0
| Place value | hundreds | tens | ones |
| 7 | 9 | 2 | |
| - | 2 | 2 | |
| 0 |
Subtract the numbers in the tens column from the top number:
9-2=7
| Place value | hundreds | tens | ones |
| 7 | 9 | 2 | |
| - | 2 | 2 | |
| 7 | 0 |
Write 7 in the hundreds place.
| Place value | hundreds | tens | ones |
| 7 | 9 | 2 | |
| - | 2 | 2 | |
| 7 | 7 | 0 |
The solution is: 770
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