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0
2022-04-16 20:33:06
\(2,5\times x< 9\)
\(\Leftrightarrow x< 9:2,5\)
\(\Leftrightarrow x< 3,6\)
Mà x là số tự nhiên nên x=0,1,2,3
2022-04-13 15:15:20
2022-03-28 19:21:32
2022-03-28 19:21:32
2022-03-28 19:21:32
2022-03-28 19:21:32
2022-03-28 12:47:50
2022-03-26 22:13:24
2022-03-26 22:13:24
2022-03-26 22:13:24