Các câu hỏi tương tự
tim cap so nguyen x,y thoa man: |x+4|+|y-2|=3
c1: Tap hop cac gia tri nguyen cua x thoa man \(\left(x+\frac{5}{4}\right)\left(x-\frac{19}{7}\right)\)<0
c2: Neu x,y la cac so nguyen thoa man 2xy+4y=6 thi y co the nhan nhung gia tri nam trong tap hop nao
c3: tim 3 so x,y,z biet x+y=8,x+z=10,y+z=12
C4: Gia tri cua x thoa man (x+3)^2=25 va x^3>0 la x=
tim cap so nguyen (x,y) thoa man: x+y+xy=2
tim cap so nguyen (x;y) thoa man : |x+2| + (y+2)2 = 3 - |x+1|
tim tat ca cac cap so nguyen x,y thoa man 2^x+1.3^y=12^x
tim cap so nguyen (x,y) thoa man 8x+13y-xy
tim cac cap so nguyen x , y thoa man : 2 . ( xy - 3 ) = x
tim cap so nguyen (x, y)thoa man 2y2= 5-/x-1/
cho x,y,z la cac so huu ti duong thoa man x+1/yz y +1/xz z+1/xy la cac so nguyen tim gia tri lon nhat cua bieu thuc A=x+y^2+z^3