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뺄셈 2자리 - 1자리

		2	0
			7
		1	3

		6	1
			9
		5	2

		2	8
			3
		2	5

		2	0
			6
		1	4

		4	6
			4
		4	2

		2	3
			3
		2	0

		5	1
			5
		4	6

		3	4
			4
		3	0

		2	5
			4
		2	1

		4	6
			2
		4	4

		2	5
			4
		2	1

		2	1
			7
		1	4

		6	1
			9
		5	2

		3	1
			4
		2	7

		8	4
			1
		8	3