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	Các bình luận về: Viết phương trình mặt cầu có tâm \(I\left( {1;2;3} \right)\) và đi qua giao điểm của đường thẳng \(d:\left\{ \begin{array}{l}x = 1 + t\\y = 2 – t\\z = 3 + t\end{array} \right.\) với mặt phẳng \(\left( {Oxy} \right)\) .	</title>
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