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1桁の足し算と引き算(解20まで) | [問題]-021/400

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1桁の足し算と引き算(足し算の解18まで)

       .

1 + 7 = 3 + 7 =

7 + 6 = 2 - 1 =

7 + 5 = 4 + 3 =

4 - 4 = 6 + 1 =

3 - 1 = 2 - 1 =

5 + 7 = 3 - 2 =

7 + 6 = 1 + 8 =

4 + 6 = 5 + 2 =

9 - 1 = 9 - 6 =

2 - 1 = 1 + 1 =

6 - 3 = 6 - 1 =

5 - 3 = 2 + 8 =

9 + 9 = 9 - 1 =

3 - 1 = 8 + 4 =

7 + 8 = 2 + 2 =

9 + 9 = 7 + 6 =

3 + 8 = 5 - 4 =

1 + 9 = 1 + 6 =

2 - 1 = 8 - 6 =

7 + 8 = 1 + 8 =

6 + 7 = 3 - 1 =

5 + 6 = 9 - 6 =

7 - 1 = 5 + 6 =

2 + 5 = 7 - 3 =

9 + 9 = 5 - 1 =

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