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