Question

fracciones de suma y resta ayuden...

2 + 5 =
21 + 7 =

8 + 7 =
6 +42 =

13 + 3 =
2 + 11 =

8 - 3 =
7 - 8 =

11 - 9 =
5 - 35 =

9 - 8 =
3 - 7 =

1O - 4 =
6 - 8 =

5 + 1 =
6 + 21 =

1 + 3 =
15 + 10 =







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Answer 1

Respuesta:

2 + 5 = 7

21 + 7 = 28

8 + 7 = 15

6 +42 = 48

13 + 3 = 16

2 + 11 = 13

8 - 3 = 5

8 - 7 = 1

11 - 9 = 2

35 - 5 = 30

9 - 8 = 1

7 - 3 = 4

1O - 4 = 6

8 - 6 = 2

5 + 1 = 6  

6 + 21 = 27

1 + 3 = 4

15 + 10 = 25

Explicación paso a paso:

我希望它可以幫助你:)

Answer 2

solo multiplica los de abajo y los de arriba se suman,si es resta se resta