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뺄셈 2자리 - 1자리

		3	0
			3
		2	7

		2	1
			2
		1	9

		9	7
			6
		9	1

		6	1
			1
		6	0

		4	0
			1
		3	9

		5	8
			2
		5	6

		6	1
			2
		5	9

		2	5
			3
		2	2

		6	9
			1
		6	8

		2	0
			7
		1	3

		6	2
			9
		5	3

		3	4
			8
		2	6

		2	7
			2
		2	5

		2	7
			6
		2	1

		1	7
			3
		1	4