lim(x趋近0）f(x)/x
=lim (f(x) -0)/(x-0)
=lim (f(x) - f(0) )/(x-0)
=f'(0)
lim(x趋近0）f(x)/x=A,其中f(0)=0,且f'(0)存在,求极限A
lim(x趋近0）f(x)/x=A,其中f(0)=0,且f'(0)存在,求极限A
数学人气：374 ℃时间：2019-08-19 04:08:24
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