Soluzione - Long subtraction
169
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones |
| 1 | 7 | 6 | |
| 2 | |||
| - | 5 | ||
2. Subtract the numbers using long subtraction method
Because the upper digit (6) in the ones column is too small to get a positive difference, borrow 1 from the digit (7) in the next number place which becomes (6) and get (16).
| Place value | hundreds | tens | ones |
| 6 | 16 | ||
| 1 | 7 | 6 | |
| 2 | |||
| - | 5 | ||
Subtract the numbers in the ones column from the top number:
16-2-5=9
| Place value | hundreds | tens | ones |
| 6 | 16 | ||
| 1 | 7 | 6 | |
| 2 | |||
| - | 5 | ||
| 9 |
Write 6 in the tens place.
| Place value | hundreds | tens | ones |
| 6 | 16 | ||
| 1 | 7 | 6 | |
| 2 | |||
| - | 5 | ||
| 6 | 9 |
Write 1 in the hundreds place.
| Place value | hundreds | tens | ones |
| 6 | 16 | ||
| 1 | 7 | 6 | |
| 2 | |||
| - | 5 | ||
| 1 | 6 | 9 |
The solution is: 169
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