Các câu hỏi tương tự
tim cac so x y z nguyen duong thoa man x3+3x2+5=5y va x+3=5z
tim so nguyen duong x,y thoa man : x^2=1!+2!+3!+....+y!
tim cac so huu ti x y thoa man x+y va 1/x +1/y nguyen duong
tim x, y nguyen duong thoa man xy+ x- y = 4
Tim cac so nguyen duong x;y;z thoa man x!+y!=10.z+9
tim tat ca cac so nguyen duong x,y thoa man : 2011x+7y=42231
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
Tim cac so nguyen thoa man (x+y)^2=(x-1)(y+1)
cho x,y nguyen thoa man x^2-xy=6x-5y-8