$54-62.$ Partial derivatives with more than two variables Find the first partial derivatives of the following functions.

$54.G(r,s,t)=\sqrt[\phantom{2}]{rsrtst}$

$55.h(x,y,z)=cos(xyz)$

$56.g(x,y,z)=2x^{2}y-3x{z}^{4}10y^2{z}^2$

$57.F(u,v,w)=\frac{u}{vv}$

$58.Q(x,y,z)=tanxyz$

$59.G(r,s,t)=\sqrt[\phantom{2}]{r{s}^3{t}^5}$