来自管奎春的问题
 x/(x+1)的导数是多少
x/(x+1)的导数是多少
1回答
2020-12-27 03:53
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李永喜
查数学书的导数运算法则,用{f(x)/g(X)}的那个
答案=1/(x^2+2x+1)
2020-12-27 03:58:42
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