Soluzione - Long subtraction
1,4
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths |
| 4 | , | 2 | |
| 0 | , | 6 | |
| - | 2 | , | 2 |
| , |
2. Subtract the numbers using long subtraction method
Because the upper digit (2) in the tenths column is too small to get a positive difference, borrow 1 from the digit (4) in the next number place which becomes (3) and get (12).
| Place value | ones | . | tenths |
| 3 | 12 | ||
| 4 | , | 2 | |
| 0 | , | 6 | |
| - | 2 | , | 2 |
| , |
Subtract the numbers in the tenths column from the top number:
12-6-2=4
| Place value | ones | . | tenths |
| 3 | 12 | ||
| 4 | , | 2 | |
| 0 | , | 6 | |
| - | 2 | , | 2 |
| , | 4 |
Subtract the numbers in the ones column from the top number:
3-0-2=1
| Place value | ones | . | tenths |
| 3 | 12 | ||
| 4 | , | 2 | |
| 0 | , | 6 | |
| - | 2 | , | 2 |
| 1 | , | 4 |
The solution is: 1,4
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