Question

Answer 1

\(A=\left\{1;\dfrac{3}{2};3\right\}\)

\(B=\left\{-1;0;1;3;7\right\}\) (đề quá mờ nên đoán vế sau là \(x^3-x\))

\(C=\left\{\dfrac{1}{6};1;2;3\right\}\)

\(D=\left\{1\right\}\)

\(E=\left\{0;1\right\}\)

\(F=\left\{-3;-2;-1\right\}\)

\(G=\left\{0;1;2;3;4\right\}\)

\(H=\varnothing\)