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1桁の足し算と20までの引き算 | [問題]-004/400

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1桁の足し算と20までの引き算虫食い

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4 - 4 = 0 3 + 1 = 4

6 + 2 = 8 4 + 8 = 12

2 + 7 = 9 9 - 8 = 1

8 - 8 = 0 6 + 9 = 15

5 - 3 = 2 8 - 3 = 5

2 + 0 = 2 4 + 3 = 7

9 - 9 = 0 5 + 6 = 11

9 - 0 = 9 2 + 7 = 9

4 - 2 = 2 4 - 1 = 3

1 + 3 = 4 1 - 1 = 0

8 + 6 = 14 6 - 5 = 1

2 - 1 = 1 7 + 6 = 13

5 + 3 = 8 3 - 0 = 3

5 - 1 = 4 6 - 2 = 4

2 - 0 = 2 6 - 0 = 6

1 + 9 = 10 2 - 1 = 1

9 + 6 = 15 5 - 3 = 2

4 - 4 = 0 2 - 1 = 1

1 - 1 = 0 7 - 5 = 2

1 + 3 = 4 4 - 2 = 2

4 - 1 = 3 3 - 0 = 3

9 + 9 = 18 9 - 2 = 7

9 - 4 = 5 2 - 0 = 2

2 - 1 = 1 1 + 1 = 2

9 - 4 = 5 9 + 7 = 16

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