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뺄셈 2자리 - 1자리

		1	7
			4
		1	3

		1	6
			4
		1	2

		9	4
			6
		8	8

		4	6
			2
		4	4

		7	7
			5
		7	2

		5	3
			1
		5	2

		4	2
			3
		3	9

		1	2
			2
		1	0

		4	8
			1
		4	7

		6	3
			3
		6	0

		3	0
			2
		2	8

		2	5
			2
		2	3

		3	0
			5
		2	5

		6	1
			2
		5	9

		2	4
			3
		2	1