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뺄셈 2자리 - 1자리

		2	2
			2
		2	0

		3	5
			7
		2	8

		2	6
			5
		2	1

		2	4
			1
		2	3

		2	1
			3
		1	8

		1	0
			2
			8

		3	8
			3
		3	5

		2	4
			1
		2	3

		5	0
			5
		4	5

		7	8
			2
		7	6

		8	0
			5
		7	5

		9	4
			6
		8	8

		4	8
			9
		3	9

		6	3
			3
		6	0

		3	1
			8
		2	3