Question

Resuelve paso a paso las operaciones de cada parentesis

Answer 1

A) (7/8 + 4/5) - ( 9/20 + (-5/2)) =
(67/40) - (9/20 - 5/2) =
(67/40) - (-41/20) =
67/40 + 41/20 =
149/40 =

b) (-8/15 - 3/4) + (-9/6- (-7/10) =
(-77/60) + (-9/6 + 7/10) =
-77/60 - 4/5 =
-25/12 =

c) (-3/2 - 4/5) + (7/3 + 5/2) =
-23/10 + 29/6 =
38/15 =

d) (-6/4 + 3/2) - (6/5 + 4/3) =
0 - 38/15 =
-38/15 =

e) (-9/4 × 2/5) + (7/10 × 4/2) =
-9/10 + 7/5 =
1/2 =

f) (-2/5 + 6/7) - (4/3 + 1/8) =
16/35 - 35/24 =
-841/840 =

g) (-8/5 + 2/4) + (6/10 - 5/2) =
-11/10 - 19/10 =
-3 =

h) (-8/7 - 3/5) + (4/15 + (-2/3)) =
-61/35 - 2/5 =
-15/7 =

espero que te sirva, Saludos!

Answer 2

La ultima respuesta es 61/14