化简:1/(a+1)×a/(a²+2a+1)

发布时间:2021-03-15 04:47:41

化简:1/(a+1)×a/(a²+2a+1)

网友回答

1/(a+1)×a/(a²+2a+1)=a/[(a+1)×(a+1)²]=a/(a+1)³;
======以下答案可供参考======
供参考答案1:
1/(a+1)×a/(a²+2a+1)
=(a²+2a+1)/【1/(a+1)×a】
=(a+1)²/【1/(a+1)×a】
=(a+1)/a
=1+1/a
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