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뺄셈 2자리 - 1자리

		1	2
			2
		1	0

		4	7
			3
		4	4

		2	3
			5
		1	8

		4	7
			8
		3	9

		3	0
			6
		2	4

		1	7
			8
			9

		1	1
			3
			8

		4	6
			4
		4	2

		2	0
			5
		1	5

		4	4
			6
		3	8

		1	3
			2
		1	1

		3	6
			3
		3	3

		2	9
			5
		2	4

		2	4
			2
		2	2

		6	0
			6
		5	4