Cho $A=\left \{ a;b;c;d;m \right \}$, $B=\left \{ a;b;c;d;m \right \}$

Question

Cơ bản

Cho $A=\left \{ a;b;c;d;m \right \}$, $B=\left \{ a;b;c;d;m \right \}$. Tìm $A\cap B$.

4 câu trả lời

Answer 1

$A\cap B=\left \{ c;d \right \}$

Answer 2

$A\cap B=\left \{ a;b \right \}$

Answer 3

$A\cap B=\left \{ c;d;m\right \}$

Answer 4

$A\cap B=\left \{ a;b;c;d;m;k;l \right \}$