d(y+x)/dx等不等于dy/dx+1?

Question

如题所述

Answer 1

d(y+x)/dx等不等于dy/dx+1?
完全正确
d(y+x)/dx = (dy + dx) / dx = dy/dx + dx/dx = dy/dx + 1

Answer 2

y如果是x的函数，是可以的