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뺄셈 2자리 - 1자리

		6	0
			5
		5	5

		2	7
			6
		2	1

		3	7
			6
		3	1

		2	9
			4
		2	5

		9	7
			4
		9	3

		2	6
			3
		2	3

		4	4
			1
		4	3

		4	7
			2
		4	5

		2	0
			8
		1	2

		2	7
			7
		2	0

		4	9
			9
		4	0

		5	1
			9
		4	2

		6	2
			6
		5	6

		6	2
			1
		6	1

		2	4
			7
		1	7