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뺄셈 2자리 - 1자리

		2	2
			4
		1	8

		3	0
			5
		2	5

		9	4
			4
		9	0

		1	2
			5
			7

		2	3
			3
		2	0

		4	4
			8
		3	6

		4	6
			6
		4	0

		4	5
			5
		4	0

		1	2
			9
			3

		6	1
			7
		5	4

		3	1
			2
		2	9

		6	7
			4
		6	3

		6	6
			1
		6	5

		2	6
			5
		2	1

		2	3
			5
		1	8