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뺄셈 2자리 - 1자리

		1	9
			7
		1	2

		4	4
			6
		3	8

		2	8
			4
		2	4

		6	4
			2
		6	2

		5	5
			9
		4	6

		9	3
			3
		9	0

		1	7
			3
		1	4

		4	7
			6
		4	1

		3	3
			4
		2	9

		6	6
			6
		6	0

		3	6
			3
		3	3

		2	8
			4
		2	4

		7	9
			9
		7	0

		4	1
			1
		4	0

		3	4
			2
		3	2