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Khánh Hoàn Nguyễn
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0
2024-02-05 21:33:18
kết quả là 4
2023-10-15 22:29:12
Ta có: 3^5<3^x-1<3^5.10
Vậy x = 7
kết quả là 4
Ta có: 3^5<3^x-1<3^5.10
Vậy x = 7