Penyelesaian - Long subtraction
32.525
Penjelasan langkah demi langkah
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 5 | 8 | |||||
| - | 2 | 5 | . | 4 | 7 | 5 |
| . |
Put zeros in the blank number places:
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 5 | 8 | . | 0 | 0 | 0 | |
| - | 2 | 5 | . | 4 | 7 | 5 |
| . |
2. Subtract the numbers using long subtraction method
Because the upper digit (0) in the thousandths column is too small to get a positive difference, borrow 1 from the number to the left (8.00) which becomes (7.99) and get (10).
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 7 | 9 | 9 | 10 | |||
| 5 | 8 | . | 0 | 0 | 0 | |
| - | 2 | 5 | . | 4 | 7 | 5 |
| . |
Subtract the numbers in the thousandths column from the top number:
10-0-5=5
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 7 | 9 | 9 | 10 | |||
| 5 | 8 | . | 0 | 0 | 0 | |
| - | 2 | 5 | . | 4 | 7 | 5 |
| . | 5 |
Subtract the numbers in the hundredths column from the top number:
9-7=2
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 7 | 9 | 9 | 10 | |||
| 5 | 8 | . | 0 | 0 | 0 | |
| - | 2 | 5 | . | 4 | 7 | 5 |
| . | 2 | 5 |
Subtract the numbers in the tenths column from the top number:
9-4=5
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 7 | 9 | 9 | 10 | |||
| 5 | 8 | . | 0 | 0 | 0 | |
| - | 2 | 5 | . | 4 | 7 | 5 |
| . | 5 | 2 | 5 |
Subtract the numbers in the ones column from the top number:
7-5=2
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 7 | 9 | 9 | 10 | |||
| 5 | 8 | . | 0 | 0 | 0 | |
| - | 2 | 5 | . | 4 | 7 | 5 |
| 2 | . | 5 | 2 | 5 |
Subtract the numbers in the tens column from the top number:
5-2=3
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 7 | 9 | 9 | 10 | |||
| 5 | 8 | . | 0 | 0 | 0 | |
| - | 2 | 5 | . | 4 | 7 | 5 |
| 3 | 2 | . | 5 | 2 | 5 |
The solution is: 32.525
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