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Nguyễn Khánh Huy
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2023-11-24 09:31:26
kí hiệu đó là phần nguyên của x ko vượt quá x . ví dụ:
[1,2] = 1 [6,7] = 6
kí hiệu đó là phần nguyên của x ko vượt quá x . ví dụ:
[1,2] = 1 [6,7] = 6