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뺄셈 2자리 - 1자리

		3	0
			2
		2	8

		4	7
			3
		4	4

		4	8
			1
		4	7

		8	9
			5
		8	4

		4	4
			6
		3	8

		3	5
			5
		3	0

		2	7
			3
		2	4

		6	0
			6
		5	4

		3	5
			9
		2	6

		3	6
			6
		3	0

		4	5
			1
		4	4

		2	3
			2
		2	1

		5	7
			1
		5	6

		8	9
			1
		8	8

		7	7
			7
		7	0