Respostas
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a)
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e)
b)
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a) 2/3 = 4/6 = 6/9 = 8/12
b) 4/10 = 8/20 = 12/30 = 16/40
c) 3/5 = 6/10 = 9/15 = 12/20
d) 1/4 = 2/8 = 3/12 = 4/16
e)2/6 = 4/12 = 6/18 = 8/24
b) 4/10 = 8/20 = 12/30 = 16/40
c) 3/5 = 6/10 = 9/15 = 12/20
d) 1/4 = 2/8 = 3/12 = 4/16
e)2/6 = 4/12 = 6/18 = 8/24
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