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뺄셈 2자리 - 1자리

		1	5
			2
		1	3

		2	3
			5
		1	8

		2	2
			2
		2	0

		5	6
			2
		5	4

		5	0
			2
		4	8

		7	1
			8
		6	3

		3	1
			5
		2	6

		8	2
			3
		7	9

		3	2
			3
		2	9

		2	2
			8
		1	4

		2	6
			5
		2	1

		2	5
			5
		2	0

		6	1
			1
		6	0

		3	0
			2
		2	8

		8	6
			6
		8	0