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뺄셈 2자리 - 1자리

		6	1
			1
		6	0

		6	4
			1
		6	3

		4	2
			1
		4	1

		1	9
			8
		1	1

		1	2
			1
		1	1

		2	4
			3
		2	1

		2	7
			5
		2	2

		5	9
			9
		5	0

		6	0
			2
		5	8

		1	2
			5
			7

		3	9
			3
		3	6

		2	3
			4
		1	9

		1	0
			4
			6

		9	6
			5
		9	1

		3	2
			4
		2	8