Các câu hỏi tương tự
tim cac cap so nguyên (x,y) thoa man dang thuc
y(x-2)+3x-6=2
tim cac cap so nguyen(x;y) thoa man; x^2+6xy=18 va x-2y=-7/2*y
Tim cac cap so (x,y) duong thoa man (x-y)^3=(x-y-6)^2
cho cac so thuc x,y thoa man 1/x^2+4+1/y^2+4=2/xy+4.Tinh gia triP=1/x^2y^2+4+4/xy+4
Tim cap (x,y) thoa man ( x-y+2) . ( x-2) + ( x-y+2) . ( 2-x) =5
Tim tat cac cac cap so nguyen x,y thoa man a) x^2+5xy+4y^2
b)xy-2x+3y-1
Tim tat cac cac cap so nguyen x,y thoa man a) x^2+5xy+4y^2
b)xy-2x+3y-1
Tim tat cac cac cap so nguyen x,y thoa man a) x^2+5xy+4y^2
b)xy-2x+3y-1
cho cac so thuc x,y thoa man x^2+y^2-xy-9 tim GTNN cua P= x^2+y^2
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