Respuestas

2012-11-01T20:41:57+01:00

1. 4/5

2. 4/6 simp. 2/3

3. 11/2

4. -1/3

5. 16/10 simpl. 8/5

6. -19/6

7. -11/30

2012-11-01T21:15:53+01:00

6/5 - 2/5 = 4/5

 

1/2 + 1/6 = 4/6 = 1/3

 

5/2 + 3 = 11/

 

2 - 7/3 = -1/3

 

1/10 + 3/2 =  16/10 = 4/5

 

2/3 - 5 + 7/6 = 19 /6