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noibuon110890
6/20/2023 11:38:54 AM
A.
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2
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3
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Câu Trả Lời:
levy2001gl
Phương pháp giải:
Sử dụng tương giao đồ thị hàm số. Giải chi tiết:Đường thẳng y = 1 cắt đồ thị hàm số y = f(x) tại 3 điểm phân biệt.
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