Các câu hỏi tương tự
1)Tim MAX cua A= (6x^2-2x+1)/ x^2
2)tim MIN va MAX C= (3-4x)/(X^2+1)
3) Tim MIN va MAX P = x^2+y^2
biet giua x va y co moi quan he nhu sau : 5x^2+8xy+5y^2=36
4)tim MAX Q = -x^2-y^2+xy+2x+2y
tim x;y biet
x-y=xy-1
cho x thuoc tap so nguyen biet
x^3 -x^2 -2x^2 +2x chia het cho 6
tim x biet x-y=xy-1
cm x^3 -x^2 -2x^2 +2x chia het cho 6
tim x, y , z biet x^2 - xy + y^2=0
tim x va y biet
x/15=y/21va2x-y=34
Tim x, y biet x,y nguyen va
1003x+2y=2008
tim x y biet x^2+y^2 + z^2 -xy-3y-2z+4=0
tim x, y biet x2+y2=xy??
Gia tri cua x+y biet
x-y=4 xy = 5 va x<0