Các câu hỏi tương tự
tim tat ca cac cap so nguyen x,y thoa man 2^x+1.3^y=12^x
tim tat ca cac cap so nguyen x,y thoa man;\(\frac{1}{x}\)+\(\frac{1}{y}\)=\(\frac{1}{p}\)trong do p la so nguyen to cho truoc
cho M = -5x^2y . Tim cac cap so nguyen (x,y) de M =-160
tim tat ca cac so nguyen duong x,y thoa man : 2011x+7y=42231
tim cac cap so nguyen duong nguyen to cung nhau sao cho: (x+y)/(x^2+y^2)=7/25
Tim cac cap so nguyen (x;y) sao cho 2x - 5y + 5xy =14
tim cac cap so nguyen duong nguyen to cung nhau sao cho: (x+y)/(x^2+y^2)=7/25
mk can gap lam
Tim cac cap so nguyen (x;y) sao cho 2x - 5y + 5xy =14
Tim tat ca cac so nguyen x thoa man: (x+2014)^2=64.(x+2007)^3