Respuestas

2013-02-13T21:22:49+01:00

X (a la dos) = (-2/3) (a la 2) = 4/6

-YZ = -(1por-3/4por2) = 3/8

-X/Z = -(-4/6) = 4/6

-2/3

4/6 + 3/8 + 4/6 -2/3 = 4/3 + 3/8 -2/3 = 2/3 + 3/8 = (16+24)/24 = 40/24 = 20/12 =10/6 = 5/3