Soluzione - Long subtraction

481

481

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Spiegazione passo passo

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

Place value	hundreds	tens	ones

	6	3	0
	1	2	3
-		2	6

2. Subtract the numbers using long subtraction method

Because the upper digit (0) in the ones column is too small to get a positive difference, borrow 1 from the digit (3) in the next number place which becomes (2) and get (10).

Place value	hundreds	tens	ones
		2	10
	6	3	0
	1	2	3
-		2	6

Subtract the numbers in the ones column from the top number:
10-3-6=1

Place value	hundreds	tens	ones
		2	10
	6	3	0
	1	2	3
-		2	6
			1

Because the upper digit (2) in the tens column is too small to get a positive difference, borrow 1 from the digit (6) in the next number place which becomes (5) and get (12).

Place value	hundreds	tens	ones
	5	12
		2	10
	6	3	0
	1	2	3
-		2	6
			1

Subtract the numbers in the tens column from the top number:
12-2-2=8

Place value	hundreds	tens	ones
	5	12
		2	10
	6	3	0
	1	2	3
-		2	6
		8	1

Subtract the numbers in the hundreds column from the top number:
5-1=4

Place value	hundreds	tens	ones
	5	12
		2	10
	6	3	0
	1	2	3
-		2	6
	4	8	1

The solution is: 481

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