1桁の足し算と引き算虫食い
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6 - 3 = 3 3 - 0 = 3
6 + 3 = 9 6 + 0 = 6
3 + 4 = 7 2 - 0 = 2
9 + 5 = 14 9 - 7 = 2
7 - 3 = 4 7 - 0 = 7
3 + 8 = 11 7 - 0 = 7
5 - 5 = 0 8 - 5 = 3
4 + 0 = 4 2 + 5 = 7
8 - 7 = 1 5 + 3 = 8
2 - 2 = 0 9 - 6 = 3
7 + 1 = 8 3 - 1 = 2
2 - 0 = 2 1 - 0 = 1
5 + 5 = 10 7 + 6 = 13
4 - 1 = 3 5 + 0 = 5
9 + 7 = 16 8 - 7 = 1
2 - 0 = 2 4 + 4 = 8
6 - 3 = 3 1 + 5 = 6
1 - 1 = 0 2 + 9 = 11
3 + 1 = 4 9 - 6 = 3
4 - 3 = 1 6 + 4 = 10
3 - 2 = 1 9 + 5 = 14
3 - 3 = 0 2 - 0 = 2
4 + 1 = 5 8 - 4 = 4
2 + 8 = 10 2 + 4 = 6
9 + 7 = 16 1 - 1 = 0
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