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	Các bình luận về: Đề: Trong không gian với hệ tọa độ Oxyz, cho hai đường thẳng \(d:\left\{ \begin{array}{l}x = 1 + t\\y = 2 + t\\z = 3 &#8211; t\end{array} \right.\) và \(d&#039;:d:\left\{ \begin{array}{l}x = 1 + 2t&#039;\\y =  &#8211; 1 + 2t&#039;\\z = 2 &#8211; 2t&#039;\end{array} \right.\). Khẳng định nào sau đây là đúng?	</title>
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