1桁の足し算と引き算虫食い
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6 + 2 = 8 2 - 0 = 2
6 - 1 = 5 9 - 3 = 6
6 - 5 = 1 2 + 9 = 11
5 + 0 = 5 6 + 2 = 8
8 + 0 = 8 3 + 8 = 11
2 + 6 = 8 4 + 5 = 9
3 - 2 = 1 1 + 2 = 3
5 - 1 = 4 8 + 5 = 13
2 + 5 = 7 1 + 5 = 6
3 + 3 = 6 4 + 7 = 11
4 + 7 = 11 6 + 3 = 9
1 - 1 = 0 4 + 6 = 10
4 - 3 = 1 1 + 1 = 2
9 + 0 = 9 6 - 1 = 5
9 + 3 = 12 4 + 2 = 6
5 - 1 = 4 6 + 0 = 6
9 - 6 = 3 8 - 2 = 6
1 + 6 = 7 3 - 3 = 0
9 + 9 = 18 8 + 2 = 10
5 + 1 = 6 6 + 7 = 13
3 + 0 = 3 8 - 2 = 6
9 + 0 = 9 9 - 3 = 6
3 + 3 = 6 4 + 9 = 13
5 + 6 = 11 1 - 1 = 0
9 - 2 = 7 7 - 5 = 2
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