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nataliasena546's Profile
Star Rating: [2 
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Member Since: Jul 03, 2013
Total # Questions Provided: 1
Total # Answers Provided: 0
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Member Since: Jul 03, 2013
Total # Questions Provided: 1
Total # Answers Provided: 0
jul
3
2013
Matematica(trabalho de matmática,eu fiz só presciso de confirmação
1-simplifique a fração algébrica x/x+1 : x/x²-1 2-resolva a equação: 3(x-1)-2=2(x+5) 3-resolva a equação fracionária x-1=2 x-2=3 4-resolva o sistema e trace seu gráfico 4x+y=0 x+y=5 eu...
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