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Câu 5. Tập xác định của hàm số $y=\log _{2} x$

Câu 5. Tập xác định của hàm số y=log⁡2xy=\log _{2} xy=log2​x là

Thông tin câu hỏi

Câu 5. Tập xác định của hàm số $y=\log _{2} x$ là