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뺄셈 2자리 - 1자리

		2	8
			8
		2	0

		6	2
			4
		5	8

		1	7
			3
		1	4

		6	1
			1
		6	0

		3	1
			4
		2	7

		5	6
			3
		5	3

		9	7
			4
		9	3

		6	4
			6
		5	8

		1	5
			5
		1	0

		6	3
			2
		6	1

		2	8
			3
		2	5

		2	3
			4
		1	9

		9	5
			3
		9	2

		6	3
			3
		6	0

		7	1
			5
		6	6