设可微，且，则/ananas/latex/p/2154/ananas/latex/p/902448/ananas/latex/p/54324
设可微，且，则/ananas/latex/p/2154/ananas/latex/p/902448/ananas/latex/p/54324
1
设可微，且，则/ananas/latex/p/2154/ananas/latex/p/902448/ananas/latex/p/54324