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뺄셈 2자리 - 1자리

		3	1
			5
		2	6

		4	1
			3
		3	8

		2	7
			3
		2	4

		9	2
			1
		9	1

		9	2
			2
		9	0

		6	2
			2
		6	0

		3	8
			2
		3	6

		9	4
			6
		8	8

		2	1
			4
		1	7

		2	5
			7
		1	8

		4	3
			2
		4	1

		4	6
			4
		4	2

		5	6
			3
		5	3

		3	0
			7
		2	3

		6	0
			6
		5	4