คำตอบ - Long subtraction
11.2
คำอธิบายทีละขั้นตอน
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones | . | tenths |
| 1 | 3 | . | 7 | |
| 0 | . | 1 | ||
| - | 2 | . | 4 | |
| . |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the tenths column from the top number:
7-1-4=2
| Place value | tens | ones | . | tenths |
| 1 | 3 | . | 7 | |
| 0 | . | 1 | ||
| - | 2 | . | 4 | |
| . | 2 |
Subtract the numbers in the ones column from the top number:
3-0-2=1
| Place value | tens | ones | . | tenths |
| 1 | 3 | . | 7 | |
| 0 | . | 1 | ||
| - | 2 | . | 4 | |
| 1 | . | 2 |
Write 1 in the tens place.
| Place value | tens | ones | . | tenths |
| 1 | 3 | . | 7 | |
| 0 | . | 1 | ||
| - | 2 | . | 4 | |
| 1 | 1 | . | 2 |
The solution is: 11.2
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