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뺄셈 2자리 - 1자리

		6	0
			7
		5	3

		2	0
			9
		1	1

		3	2
			9
		2	3

		5	0
			4
		4	6

		5	4
			8
		4	6

		5	8
			2
		5	6

		2	6
			2
		2	4

		3	4
			5
		2	9

		6	2
			6
		5	6

		3	4
			4
		3	0

		2	5
			4
		2	1

		2	2
			2
		2	0

		6	3
			6
		5	7

		3	0
			4
		2	6

		5	2
			1
		5	1