Question

giúp em bài 1 với

Answer 1

lỗi

Answer 2

1) \(E=\left\{1;3;5\right\}\)

\(F=\left\{1;3;5;7;9\right\}\)

\(\Rightarrow E\subset F\)

2) {cam} ⊂ A

B \(\supset\) {cam}

\(\left\{1;5\right\}\subset E\)

\(\left\{1;5\right\}\subset F\)

\(E\subset F\)

{cam, xoài} ⊂ A

{cam, mận} ⊂ B