1桁の足し算と引き算虫食い
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6 + 7 = 13 9 - 8 = 1
6 + 0 = 6 6 - 2 = 4
1 + 4 = 5 7 - 1 = 6
2 - 2 = 0 5 + 9 = 14
5 - 5 = 0 2 + 4 = 6
4 - 3 = 1 1 + 2 = 3
1 + 7 = 8 1 + 5 = 6
9 - 1 = 8 5 + 2 = 7
9 + 7 = 16 7 + 9 = 16
6 + 0 = 6 6 - 1 = 5
1 + 1 = 2 2 - 1 = 1
8 + 2 = 10 5 + 0 = 5
6 - 1 = 5 2 - 1 = 1
1 + 0 = 1 2 - 0 = 2
9 - 6 = 3 6 - 3 = 3
3 + 9 = 12 1 - 1 = 0
4 + 5 = 9 8 + 8 = 16
5 + 8 = 13 6 + 4 = 10
5 + 7 = 12 4 + 1 = 5
2 + 6 = 8 4 - 4 = 0
5 - 3 = 2 3 - 0 = 3
3 - 3 = 0 7 - 0 = 7
2 + 4 = 6 5 + 8 = 13
2 + 4 = 6 2 + 5 = 7
6 + 1 = 7 6 - 0 = 6
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