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뺄셈 2자리 - 1자리

		3	1
			4
		2	7

		3	0
			4
		2	6

		8	8
			3
		8	5

		6	1
			6
		5	5

		3	1
			2
		2	9

		8	5
			5
		8	0

		2	6
			2
		2	4

		8	1
			6
		7	5

		6	1
			9
		5	2

		5	6
			8
		4	8

		7	5
			5
		7	0

		4	0
			4
		3	6

		4	3
			2
		4	1

		6	4
			1
		6	3

		6	1
			1
		6	0