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뺄셈 2자리 - 1자리

		1	4
			4
		1	0

		6	8
			2
		6	6

		9	7
			3
		9	4

		1	0
			2
			8

		3	0
			5
		2	5

		2	1
			4
		1	7

		3	7
			7
		3	0

		1	0
			6
			4

		5	5
			2
		5	3

		2	2
			2
		2	0

		3	5
			7
		2	8

		4	7
			6
		4	1

		2	9
			2
		2	7

		6	8
			5
		6	3

		5	5
			4
		5	1