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뺄셈 2자리 - 1자리

		1	6
			1
		1	5

		3	1
			1
		3	0

		7	2
			6
		6	6

		3	0
			5
		2	5

		9	4
			1
		9	3

		3	5
			4
		3	1

		1	7
			2
		1	5

		3	5
			1
		3	4

		5	6
			9
		4	7

		2	3
			4
		1	9

		3	8
			8
		3	0

		4	2
			9
		3	3

		2	5
			2
		2	3

		2	0
			6
		1	4

		2	9
			7
		2	2