giai he phuong trinh
x+y+z=2016
(x*y/x*x+x*y+y*y)+(y*z/y*y+y*z+z*z)+(z*x/z*z+z*x+x*x)=1
Giai phuong trinh
\(x^3+y^3+z^3-3xyz=1\)
giai phuong trinh
x2(x+2)2+4x2=12(x+2)2
giai phuong trinh x^2 -y^2 = 189
giai phuong trinh:
x+3+y=0
giai phuong trinh sau : x^5-x^3y-y+1=0
giai phuong trinh nghiem nguyen:x^4+x^2-y^2-y+20=0
Giai phuong trinh nghiem nguyen sau
x^2 +y^2-x-y=8
Giai phuong trinh x^2+(1/x^2)+16y^2+(1/y^2)=10
