Respuestas

2013-05-09T20:02:06+02:00

-3/4 +1/2=  -1/4

3+1/2=7/2

3/5+1=8/5

-1/5+3/6=3/10

1/3+3/10=19/30

2/7+3/2 -1/5+3/6=25/14+9/30= 73/35

5/2+(-1/8)=19/8

4+(-1/2)=7/2

-1/2+1/3+(-1/4)=-3/4+1/3=-5/12

ESPERO TE SIRVA

2013-05-09T20:07:56+02:00

-3/4 + 1/2 = -2/8 = -1/4

3+1/2 = 7/2

3/5 +1 = 8/5

-1/5 + 3/6 = 9/30 = 3/10

1/3+3/10 = 19/30

2/7+3/2-1/5+3/6 = 876/420

5/2+(-1/8) = -38/16

4+(-1/2) = 7/2

-1/2+1/3+(-1/4) = -5/12