Question

Efetue as operações:
a) (+3/5) + (+1/2) =
b) (-2/3) + (+5/4) =
c) (+5/7) – (+2/3) =
d) (+2/3) – (+1/2) =
e) (+1/5) . (+4/3) =
f) (+4/9) . ( -7/5) =
g) 2/3 : 3/16 =
h) 2/5 : (-3/4) =

Answer 1

Resposta:

A 1,1

B 0,58

C 0,05

D 1

E 0,27

F 0,62

G 3,56

H 0,53