Question

直接写出得数． 1 3 + 1 3 = 1- 2 5 = 5 8 - 3 8 = 1 7 + 3 7 + 2 7 = 1

Answer 1

1

3 +

1

3 =

2

3 1-

2

5 =

3

5

5

8 -

3

8 =

1

4

1

7 +

3

7 +

2

7 =

6

7

1-

5

6 =

1

6

3

8 +

5

8 =1

2

9 +

5

9 =

7

9 1-

5

12 -

7

12 =0

3

4 -

1

2 =

1

4

1

6 +

2

3 =

5

6

1

2 -

1

3 =

1

6

3

8 +

3

8 -

5

8 =

1

8