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