Các câu hỏi tương tự
tim x, y nguyen thoa man : 3.x.y + x = 2.y
tim so nguyen x, y thoa man : 3.x.y + x =2.y
tim so nguyen x, y thoa man : 3.x.y + x =2.y
tim so nguyen x , y thoa man : x - 2.x.y + 3.y = 1
tim cac so nguyen to x,y thoa man:(x -2) nhan (y-3)=-4
tim cac so nguyen to x, y thoa man: (x - 2)2(y - 3)= -4
tim so tu nhien x,y thoa man : x^2 + 2xy = 100
Tim cac cap x;y thoa man:
a) (x-3).(2.y+1)=5
b) xy+3x-7y=21
c) xy+3x-2y=11
cho các so tu nhien x,y,z,t nho nhat thoa man x/y=5/14;y/z=21/28;z/t=6/11.tim x,y,z,t