1桁の足し算と引き算虫食い
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4 + 4 = 8 4 - 4 = 0
7 - 1 = 6 6 + 2 = 8
1 + 8 = 9 9 + 3 = 12
7 + 9 = 16 4 + 0 = 4
8 + 1 = 9 6 - 6 = 0
1 + 7 = 8 4 - 2 = 2
7 - 6 = 1 4 + 8 = 12
3 - 0 = 3 5 + 5 = 10
1 + 9 = 10 9 - 1 = 8
3 + 8 = 11 9 - 4 = 5
2 + 8 = 10 1 + 2 = 3
3 + 6 = 9 6 + 1 = 7
8 - 3 = 5 2 + 5 = 7
5 - 3 = 2 4 + 7 = 11
7 + 7 = 14 2 - 0 = 2
9 - 4 = 5 2 + 5 = 7
5 - 0 = 5 2 - 1 = 1
9 + 6 = 15 9 + 8 = 17
6 + 9 = 15 3 + 7 = 10
6 - 6 = 0 3 + 3 = 6
6 + 6 = 12 4 + 9 = 13
3 + 0 = 3 9 + 7 = 16
3 - 2 = 1 3 - 2 = 1
5 + 2 = 7 7 + 6 = 13
5 + 3 = 8 9 - 0 = 9
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