Respostas

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2014-03-27T20:36:24-03:00
A)4/5²
b) 5/6³
c) 2/3²
d)-2/7²
e)-1/6³ 


Contas :
A) 4/5² = 8/25
B) 5/6³ = 100/216
C) 2/3² = 4/9
D)-2/7²= -4/49
E) -1/6³ = -1/216
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