\(A=2\Rightarrow x^2-2x+2=2\)

\(\Rightarrow\)\(x^2-2x=0\)

\(\Rightarrow\left\{{}\begin{matrix}x=0\\x-2=0\end{matrix}\right.\Rightarrow\left\{{}\begin{matrix}x=0\\x=2\end{matrix}\right.\)

Theo thứ tự hàng ngang,từ trái qua phải

B

B

B

C

B

A

B

A

A

B

the most safe/safest

B

B

A

C

wasn't/would fail

play

went

does

gets/will grow

made

will stay

C

He is better than his brother

Dalat is nicer than Buon Ma Thuot