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뺄셈 2자리 - 1자리

		4	8
			2
		4	6

		2	3
			3
		2	0

		2	8
			5
		2	3

		9	8
			6
		9	2

		3	3
			5
		2	8

		6	1
			5
		5	6

		2	2
			2
		2	0

		1	2
			6
			6

		4	6
			2
		4	4

		4	1
			2
		3	9

		3	2
			5
		2	7

		4	9
			8
		4	1

		2	0
			4
		1	6

		6	0
			4
		5	6

		9	3
			1
		9	2