Question

algueeeeeeeeeeeeem me ajudaaaaaaaaaaaaaaaaa pfvrrrrrrrrrrrrrrrrrrr



1)Efetue as adições e as subtrações.
a) (-2/3)+(+1/4)
b) (-4/7) + (-2/6)
c) (+5,5) - (+8,13)
d) (-4,72) - (-0,28)

Answer 1

Resposta:

a) -5/12

b) -19/21

c) -2,63

d) -4,44