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