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뺄셈 2자리 - 1자리

		3	6
			1
		3	5

		1	8
			1
		1	7

		5	9
			6
		5	3

		1	0
			7
			3

		3	8
			7
		3	1

		7	6
			6
		7	0

		2	5
			5
		2	0

		7	1
			8
		6	3

		5	4
			2
		5	2

		7	5
			6
		6	9

		2	4
			4
		2	0

		9	2
			3
		8	9

		2	8
			4
		2	4

		3	0
			8
		2	2

		5	4
			2
		5	2