Soluzione - Long subtraction
17,4
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones | . | tenths |
| 1 | 9 | , | 9 | |
| - | 2 | , | 5 | |
| , |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the tenths column from the top number:
9-5=4
| Place value | tens | ones | . | tenths |
| 1 | 9 | , | 9 | |
| - | 2 | , | 5 | |
| , | 4 |
Subtract the numbers in the ones column from the top number:
9-2=7
| Place value | tens | ones | . | tenths |
| 1 | 9 | , | 9 | |
| - | 2 | , | 5 | |
| 7 | , | 4 |
Write 1 in the tens place.
| Place value | tens | ones | . | tenths |
| 1 | 9 | , | 9 | |
| - | 2 | , | 5 | |
| 1 | 7 | , | 4 |
The solution is: 17,4
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