y1=log(2x^2-3x+1),y2=loga(x^2+2x-5),若0

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y1=log(2x^2-3x+1),y2=loga(x^2+2x-5),若0

y1=log(2x^2-3x+1),y2=loga(x^2+2x-5),若0
y1=log(2x^2-3x+1),y2=loga(x^2+2x-5),若0

y1=log(2x^2-3x+1),y2=loga(x^2+2x-5),若0
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