Solution - Long subtraction
327
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones |
| 5 | 3 | 2 | |
| - | 2 | 0 | 5 |
2. Subtract the numbers using long subtraction method
Because the upper digit (2) in the ones column is too small to get a positive difference, borrow 1 from the digit (3) in the next number place which becomes (2) and get (12).
| Place value | hundreds | tens | ones |
| 2 | 12 | ||
| 5 | 3 | 2 | |
| - | 2 | 0 | 5 |
Subtract the numbers in the ones column from the top number:
12-5=7
| Place value | hundreds | tens | ones |
| 2 | 12 | ||
| 5 | 3 | 2 | |
| - | 2 | 0 | 5 |
| 7 |
Subtract the numbers in the tens column from the top number:
2-0=2
| Place value | hundreds | tens | ones |
| 2 | 12 | ||
| 5 | 3 | 2 | |
| - | 2 | 0 | 5 |
| 2 | 7 |
Subtract the numbers in the hundreds column from the top number:
5-2=3
| Place value | hundreds | tens | ones |
| 2 | 12 | ||
| 5 | 3 | 2 | |
| - | 2 | 0 | 5 |
| 3 | 2 | 7 |
The solution is: 327
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