若a=(-1)+(-1)^2+(-1)^3+...+(-1)^2011+(-1)^2015,且(ab+3)^2+|b+c|=0,求3a-2b/5c的值.
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若a=(-1)+(-1)^2+(-1)^3+...+(-1)^2011+(-1)^2015,且(ab+3)^2+|b+c|=0,求3a-2b/5c的值.
若a=(-1)+(-1)^2+(-1)^3+...+(-1)^2011+(-1)^2015,且(ab+3)^2+|b+c|=0,求3a-2b/5c的值.
若a=(-1)+(-1)^2+(-1)^3+...+(-1)^2011+(-1)^2015,且(ab+3)^2+|b+c|=0,求3a-2b/5c的值.
a=-2,(-2*b+3)^2+|b+c|=0.则b=-c,2b=3,b=1.5,c=-1.5