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뺄셈 2자리 - 1자리

		2	4
			1
		2	3

		2	0
			1
		1	9

		3	4
			4
		3	0

		2	6
			2
		2	4

		7	2
			1
		7	1

		5	2
			2
		5	0

		9	3
			7
		8	6

		7	3
			8
		6	5

		1	6
			5
		1	1

		2	7
			4
		2	3

		9	6
			5
		9	1

		3	0
			3
		2	7

		9	7
			4
		9	3

		4	9
			5
		4	4

		4	9
			3
		4	6