Question

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Answer 1

Resposta:

a) 4/14 = 8/28

b) 2/12 = 4/24

c) 30/40 = 60/80

d) 10/16 = 20/32

e) 9/15 = 36/60

f) 8/15 = 80/150

espero ter ajudado! bons estudos :)