Các câu hỏi tương tự
tìm xy nguyen biet (x+y-2)^2+(y+3)^2=0 tim xy thoa man x^2-6x+10=1/|x-3|+1
tim tat ca cac so nguyen x,y thoa man x^3+x^2+2-2y=xy
Tim x,y thoa man phuong trinh xy-x-y=2
cho cac so thuc x,y thoa man x^2+y^2-xy-9 tim GTNN cua P= x^2+y^2
help meeeeeeee
cho cac so thuc x,y thoa man x^2+y^2-xy-9 tim GTNN cua P= x^2+y^2
help meeeeeeeeeeee
Cho x, y la hai so thoa man 2x^2 + 1/x^2 +y^2/4 =4. Tim Max A= xy
tim x y z thoa man x2+y2+z2-xy-3y-2z+4=0
tim x,y,z thuoc Zduong thoa man
x^2+y^2+z^2<xy+3y+2z
cho x,y thuoc R khac 0 thoa man 2x^2 + y^2/4 +1/x^2 = 4. tim gtnn gtln cua A= 2008+xy