Soluzione - Long subtraction

1.008

1.008

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Spiegazione passo passo

1. Rewrite the numbers from top to bottom, aligned by their place values

Place value	thousands	hundreds	tens	ones

	2	3	0	4
-	1	2	9	6

2. Subtract the numbers using long subtraction method

Because the upper digit (4) in the ones column is too small to get a positive difference, borrow 1 from the number to the left (30) which becomes (29) and get (14).

Place value	thousands	hundreds	tens	ones
		2	9	14
	2	3	0	4
-	1	2	9	6

Subtract the numbers in the ones column from the top number:
14-6=8

Place value	thousands	hundreds	tens	ones
		2	9	14
	2	3	0	4
-	1	2	9	6
				8

Subtract the numbers in the tens column from the top number:
9-9=0

Place value	thousands	hundreds	tens	ones
		2	9	14
	2	3	0	4
-	1	2	9	6
			0	8

Subtract the numbers in the hundreds column from the top number:
2-2=0

Place value	thousands	hundreds	tens	ones
		2	9	14
	2	3	0	4
-	1	2	9	6
		0	0	8

Subtract the numbers in the thousands column from the top number:
2-1=1

Place value	thousands	hundreds	tens	ones
		2	9	14
	2	3	0	4
-	1	2	9	6
	1	0	0	8

The solution is: 1,008

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