limx→1(x^2-4x+3)/(x^4-4x^2+3)
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limx→1(x^2-4x+3)/(x^4-4x^2+3)limx→1(x^2-4x+3)/(x^4-4x^2+3)limx→1(x^2-4x+3)/(x^4-4x^2+3)答案是1/2
limx→1(x^2-4x+3)/(x^4-4x^2+3)
limx→1(x^2-4x+3)/(x^4-4x^2+3)
limx→1(x^2-4x+3)/(x^4-4x^2+3)
答案是1/2
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