Question

9) efetue as adições

a) 1/3:2/5

b) -7/5:7/5

c) 3/7:2/3

d) 3/4:8/5

Answer 1

a) 7
b) 4.7
c) 8
d) 5.8

Answer 2

a) =5/6 ou 0,83
b) = -1
c) = 9/14 ou 0,64
d) = 15/32 ou 0,46