a, D={1; 2; 3; 6}
b, B={-4; -3; -2; -1; 0; 1; 2; 3; 4}
c, C={-3; -2; -1; 0; 1; 2; 3}
a, \(x\in\left\{1,2,3,4,6,8,12,24\right\}\)
b, \(x\in\left\{-3,-2,-1,0,1,2,3,4\right\}\)
c, \(x\in\left\{-3,-2,-1,0,1,2,3\right\}\)
Ta co:
a, x thuoc {1,2,3,6}
b, x thuoc {-3,-2,-1,0,1,2,3,4,5}
c, x thuoc {-3,-2,-1,0,1,2,3}
k minh nha!