lim(x→0)(x-sinx)/(x+sinx)

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lim(x→0)(x-sinx)/(x+sinx)lim(x→0)(x-sinx)/(x+sinx)lim(x→0)(x-sinx)/(x+sinx)分子分母都求导,答案是0

lim(x→0)(x-sinx)/(x+sinx)
lim(x→0)(x-sinx)/(x+sinx)

lim(x→0)(x-sinx)/(x+sinx)
分子分母都求导,答案是0