Question

2/5[5:(2/4+1/1)-3(1/2-1/4)]

Answer 1

Resolver.

2/5 [ 5:(2/4 + 1/1) - 3(1/2 - 1/4)] =
2/5 [ 5 :(2/4 + 4/4) - 3(2/4 - 1/4)] =
2/5 [ 5: (6/4) - 3(1/4)] =
2/5 [ 5 : 3/2 - 3/4] =
2/5 [ 5 * 2/3 - 3/4] =
2/5 [ 10/3 - 3/4 ] =
2/5 [ 40/12 - 9/12 ] =
2/5 [ 31/12] =
(2 * 31) / (5 * 12) =
62/60 =      Simplificas sacas mitad
31/30

Respuesta.
31/30