Soluzione - Long subtraction

2.008

2.008

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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	0	1	2
-				4

2. Subtract the numbers using long subtraction method

Because the upper digit (2) in the ones column is too small to get a positive difference, borrow 1 from the digit (1) in the next number place which becomes (0) and get (12).

Place value	thousands	hundreds	tens	ones
			0	12
	2	0	1	2
-				4

Subtract the numbers in the ones column from the top number:
12-4=8

Place value	thousands	hundreds	tens	ones
			0	12
	2	0	1	2
-				4
				8

Write 0 in the tens place.

Place value	thousands	hundreds	tens	ones
			0	12
	2	0	1	2
-				4
			0	8

Write 0 in the hundreds place.

Place value	thousands	hundreds	tens	ones
			0	12
	2	0	1	2
-				4
		0	0	8

Write 2 in the thousands place.

Place value	thousands	hundreds	tens	ones
			0	12
	2	0	1	2
-				4
	2	0	0	8

The solution is: 2,008

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