1桁の足し算と引き算虫食い
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4 + 0 = 4 6 - 1 = 5
5 + 0 = 5 9 + 9 = 18
4 + 0 = 4 9 + 9 = 18
4 - 3 = 1 8 + 4 = 12
6 - 5 = 1 2 - 2 = 0
4 - 3 = 1 2 - 1 = 1
3 + 7 = 10 7 + 6 = 13
3 - 0 = 3 1 - 0 = 1
6 + 6 = 12 1 - 1 = 0
3 + 0 = 3 2 - 2 = 0
8 - 8 = 0 9 + 4 = 13
4 + 2 = 6 9 - 3 = 6
1 + 8 = 9 8 - 6 = 2
6 + 3 = 9 5 + 2 = 7
3 - 2 = 1 5 - 1 = 4
2 - 2 = 0 8 + 4 = 12
9 + 5 = 14 7 + 3 = 10
4 + 1 = 5 2 - 0 = 2
5 + 5 = 10 7 + 2 = 9
5 + 1 = 6 6 + 2 = 8
3 - 1 = 2 6 - 4 = 2
6 - 5 = 1 2 - 1 = 1
6 - 2 = 4 2 + 8 = 10
7 - 1 = 6 6 - 2 = 4
6 - 1 = 5 9 + 4 = 13
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