化简a+1/a^2+2a+1
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化简a+1/a^2+2a+1化简a+1/a^2+2a+1化简a+1/a^2+2a+1(a+1)/(a^2+2a+1)=(a+1)/(a+1)^2=1/(a+1)因式分解分母,然后约分,结果1/(a+1
化简a+1/a^2+2a+1
化简a+1/a^2+2a+1
化简a+1/a^2+2a+1
(a+1)/(a^2+2a+1)=(a+1)/(a+1)^2=1/(a+1)
因式分解分母,然后约分,结果1/(a+1)
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