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