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뺄셈 2자리 - 1자리

		3	7
			7
		3	0

		3	7
			9
		2	8

		4	4
			4
		4	0

		9	5
			8
		8	7

		4	5
			1
		4	4

		6	6
			3
		6	3

		6	8
			4
		6	4

		1	7
			4
		1	3

		3	0
			6
		2	4

		2	9
			2
		2	7

		8	3
			3
		8	0

		7	6
			3
		7	3

		4	0
			4
		3	6

		5	2
			2
		5	0

		9	6
			2
		9	4