• 2022-06-18
    函数[img=54x19]17e435c3aa4423a.jpg[/img]在点[img=13x14]17e435cbfdd5a0a.jpg[/img]处的微分[img=38x21]17e436c130b17ac.jpg[/img]表示曲线[img=54x19]17e435c3aa4423a.jpg[/img]在点[img=66x19]17e435eea157dac.jpg[/img]处的切线的纵坐标增量