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tim x,y,z sao cho x^2+y^2+z^2=xyz
Tim 3 so nguyen to lien tiep x, y, z ( voi x < y < z ) sao cho so A=\(x^2\)+\(y^2\)+\(z^2\)la mot so nguyen to.
1. tim cac cap so nguyen duong (x, y) sao cho:
2 x3 + xy = 11
2. tim cac cap so nguyen duong (x, y, z)sao cho:
x + y + z = x*y*z
3. tim x thuoc z, biet;
|x| = -2003
|x| = |-2003|
minh dang can gap lam. chieu mai phai nop rui
Cho x,y,z la 3 so nguyen duong, nguye to cung nhau thoa man (x-z)(y-z)=z^2. Chung minh tich xyz la so chinh phuong
Giai nhanh jum mik nha dg can gap
tim cac so nguyen x,y,z biet y^2=y-1; x^2=x-1; z^2=z-1
tim nghiem nguyen cua cac phuong trinh:
xyz=4(x+y+z) (x+y+z)
5(x+y+z+t)+7=xyzt
nho giai cho minh nhe
trinh bay ra nhe
tim x y nguyen biet
x mu2 +y mu 2-z mu 2+z+1=2(x+y-xy)
tim cac so nguyen x,y,z thoa man dieu kien sau
x^2=y-1
y^2=z-1
z^2=x-1
Tìm các soos nguyên tố x,y,z sao cho x2+y2+z2=xyz
