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뺄셈 2자리 - 1자리

		2	6
			8
		1	8

		6	1
			4
		5	7

		5	4
			3
		5	1

		3	1
			9
		2	2

		2	0
			9
		1	1

		5	4
			8
		4	6

		3	6
			6
		3	0

		2	9
			4
		2	5

		7	0
			4
		6	6

		2	8
			3
		2	5

		4	2
			4
		3	8

		1	2
			6
			6

		1	4
			3
		1	1

		4	0
			3
		3	7

		3	0
			6
		2	4