tim tat ca cac so nguyen duong co dang abcde thoa man abc-de chia het cho 101
tim cac so nguyen duong x,y,z thoa man x^2+y^3+z^4
tim cac so nguyen a;b;c thoa man dong thoi 3 dang thuc :a.b.c+a=2011;a.b.c+b=2013;a.b.c+c=2015
tim cac so nguyen duong x,y thoa man 2x+3y=14
tim cac so nguyen duong x y thoa man \(\frac{x}{2}+\frac{x}{y}-\frac{3}{2}=\frac{10}{y}\)
Tim cac so nguyen x,y thoa man : xy+3x-y=8
tim cac so nguyen a,b,c thoa man dong thoi 3 dang thuc
a*b*c+a=1333;a*b*c+b=1335;a*b*c+c=1341
biet hai so nguyen x,y thoa man |x|+|y|=8.Tim gia tri nho nhat cua tich xy
