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