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	Các bình luận về: Đề: Trong không gian với hệ tọa độ Oxyz, cho mặt phẳng \(\left( P \right):2x + 2y + z + 6 = 0\). Tìm tọa độ điểm M thuộc tia Oz sao cho khoảng cách từ M đến (P) bằng 3.	</title>
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