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