写纸上发图也行,

写纸上发图也行,
写纸上发图也行,
 

写纸上发图也行,
(1)y=cosu,u=5x (2)y=u^3,u=sinx
(3)y=e^u,u=sinv,v=3x (4)y=√u,u=tanv,v=x/2
(5)y=5^u,u=v^2,v=2x-1 (6)y=lnu,u=tanv,v=1/x