Soluzione - Long subtraction
5
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths |
| 7 | , | 3 | |
| 0 | , | 5 | |
| - | 1 | , | 8 |
| , |
2. Subtract the numbers using long subtraction method
Because the upper digit (3) in the tenths 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 (13).
| Place value | ones | . | tenths |
| 6 | 13 | ||
| 7 | , | 3 | |
| 0 | , | 5 | |
| - | 1 | , | 8 |
| , |
Subtract the numbers in the tenths column from the top number:
13-5-8=0
| Place value | ones | . | tenths |
| 6 | 13 | ||
| 7 | , | 3 | |
| 0 | , | 5 | |
| - | 1 | , | 8 |
| , | 0 |
Subtract the numbers in the ones column from the top number:
6-0-1=5
| Place value | ones | . | tenths |
| 6 | 13 | ||
| 7 | , | 3 | |
| 0 | , | 5 | |
| - | 1 | , | 8 |
| 5 | , | 0 |
The solution is: 5
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