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뺄셈 2자리 - 1자리

		5	0
			1
		4	9

		5	0
			3
		4	7

		4	8
			4
		4	4

		6	0
			7
		5	3

		1	8
			7
		1	1

		2	3
			7
		1	6

		2	4
			6
		1	8

		6	3
			9
		5	4

		1	0
			4
			6

		2	9
			6
		2	3

		2	0
			2
		1	8

		1	2
			6
			6

		9	3
			8
		8	5

		5	2
			7
		4	5

		3	4
			4
		3	0