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뺄셈 2자리 - 1자리

		5	7
			8
		4	9

		6	2
			5
		5	7

		2	7
			1
		2	6

		3	5
			4
		3	1

		2	0
			6
		1	4

		4	5
			4
		4	1

		3	3
			2
		3	1

		4	3
			3
		4	0

		3	5
			2
		3	3

		1	8
			6
		1	2

		2	0
			4
		1	6

		6	1
			6
		5	5

		4	4
			4
		4	0

		6	6
			4
		6	2

		3	0
			2
		2	8