1桁の足し算と引き算(足し算の解18まで)
.
2 - 1 = 2 - 1 =
6 - 1 = 3 + 1 =
5 + 6 = 5 + 4 =
2 + 4 = 6 + 9 =
4 - 3 = 9 - 3 =
5 + 6 = 4 - 1 =
8 - 7 = 9 + 5 =
5 + 4 = 3 + 6 =
8 - 8 = 2 - 2 =
2 + 6 = 1 + 9 =
1 + 5 = 2 + 7 =
1 + 6 = 5 - 4 =
6 - 3 = 3 + 8 =
5 - 2 = 2 - 1 =
6 + 1 = 4 + 8 =
8 - 3 = 7 - 2 =
5 - 1 = 2 + 4 =
8 + 4 = 4 - 4 =
6 - 4 = 5 + 4 =
3 + 6 = 5 - 4 =
4 + 8 = 1 + 7 =
8 - 7 = 9 + 8 =
4 - 3 = 2 - 1 =
6 - 2 = 4 + 8 =
7 - 2 = 6 + 2 =
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