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뺄셈 2자리 - 1자리

		3	8
			5
		3	3

		3	5
			5
		3	0

		3	7
			7
		3	0

		2	7
			7
		2	0

		5	1
			3
		4	8

		4	6
			2
		4	4

		4	0
			3
		3	7

		1	6
			7
			9

		4	9
			1
		4	8

		1	5
			4
		1	1

		4	2
			7
		3	5

		9	2
			4
		8	8

		9	8
			1
		9	7

		1	8
			2
		1	6

		2	2
			2
		2	0