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Wesley Cesar Portugal de Matos
16.06.2015
9 – f(x)= (2x + 5)/4x 10 -f(x)=(2x+1).(3x-2) 11 - y=10.(3u+1).(1-5u) 12 - f(x)=1/2.(x^5-〖2x〗^3+1) 13 - (x+1)/(x-2)
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