1桁の足し算と引き算虫食い
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9 - 6 = 3 8 - 0 = 8
4 + 5 = 9 7 + 4 = 11
4 - 1 = 3 8 - 8 = 0
8 + 1 = 9 1 + 9 = 10
2 - 2 = 0 7 + 2 = 9
1 - 1 = 0 8 - 8 = 0
8 - 3 = 5 8 + 0 = 8
2 + 9 = 11 2 - 2 = 0
9 + 1 = 10 4 - 3 = 1
8 - 5 = 3 6 - 6 = 0
9 - 2 = 7 9 - 8 = 1
9 + 6 = 15 8 - 4 = 4
7 + 4 = 11 9 + 1 = 10
7 + 0 = 7 5 + 6 = 11
5 - 1 = 4 9 + 0 = 9
1 - 1 = 0 1 - 1 = 0
7 - 3 = 4 2 - 0 = 2
5 + 3 = 8 9 - 1 = 8
1 - 0 = 1 4 + 9 = 13
3 + 5 = 8 2 + 9 = 11
9 + 8 = 17 1 - 0 = 1
7 + 1 = 8 9 - 4 = 5
1 + 1 = 2 8 - 2 = 6
8 + 9 = 17 8 + 8 = 16
9 - 6 = 3 9 + 2 = 11
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