Question

AJUDA AKI PFV

a) 1/2 + 3/7
b) - 2/3 + 4/9
C) 5/3 + (-1/2)
D) -1/3 + (-1)
E) 3/7 + 1/4

Answer 1

Resposta:

a)13/14

b)-2/9

c)7/6

d)-4/3

e)19/28