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