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뺄셈 2자리 - 1자리

		4	2
			1
		4	1

		1	0
			4
			6

		3	0
			2
		2	8

		4	9
			5
		4	4

		2	6
			2
		2	4

		2	9
			2
		2	7

		2	2
			3
		1	9

		2	4
			1
		2	3

		3	7
			3
		3	4

		9	1
			5
		8	6

		8	3
			1
		8	2

		1	8
			3
		1	5

		6	2
			1
		6	1

		2	6
			6
		2	0

		3	3
			3
		3	0