26/07/21 04:18:30.51 PuiIONQ6.net
f(x,y,z)=(1+xy)^{3}z+y^{2}(1+xy)(4+3xy)
g(x,y,z)=y+3x(1+xy)^{2}z+3xy^{2}(4+3xy)
h(x,y,z)=2x-3x^{2}y-x^{3}z
26/07/21 04:18:30.51 PuiIONQ6.net
f(x,y,z)=(1+xy)^{3}z+y^{2}(1+xy)(4+3xy)
g(x,y,z)=y+3x(1+xy)^{2}z+3xy^{2}(4+3xy)
h(x,y,z)=2x-3x^{2}y-x^{3}z