Respuestas

2014-01-23T18:34:27+01:00
29/30-[4/5(5/6-3/8)-(2/3+1-1/2)+1/4]-7/5
29/30 - ( 4/5 ( 22/48) - ( 7/6 ) + 1/4 ) -7/5=
29/30- ( 48/240) - 7/6 + 1/4 ) - 7/5 =
29/30 - ( 1/5 -7/6 + 1/4 ) - 7/5 =
29/30 - ( -29/30 + 1/4 ) - 7/5 =
29/30 - ( -76/120 ) - 7/5 =
29/30 + 76/120 -7/5 =
116+76-168 / 120 =
24 /120 = 4720 = 1/5