1桁の足し算と引き算虫食い
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7 + 6 = 13 9 + 2 = 11
1 - 1 = 0 8 - 6 = 2
7 - 3 = 4 4 + 3 = 7
7 - 0 = 7 3 + 8 = 11
3 - 0 = 3 3 + 2 = 5
1 - 1 = 0 8 + 1 = 9
4 + 5 = 9 7 + 7 = 14
7 + 6 = 13 6 + 7 = 13
6 - 2 = 4 7 + 9 = 16
4 + 1 = 5 2 - 2 = 0
3 + 9 = 12 4 + 1 = 5
8 - 8 = 0 7 - 3 = 4
9 - 8 = 1 7 + 2 = 9
3 - 0 = 3 9 - 5 = 4
9 + 2 = 11 6 + 6 = 12
5 - 4 = 1 1 + 2 = 3
7 - 0 = 7 4 - 0 = 4
3 + 3 = 6 9 + 4 = 13
2 - 0 = 2 3 - 3 = 0
4 + 2 = 6 8 + 5 = 13
6 - 1 = 5 8 - 6 = 2
8 - 7 = 1 3 + 3 = 6
8 - 5 = 3 2 + 8 = 10
4 - 0 = 4 6 - 4 = 2
8 + 8 = 16 6 - 0 = 6
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