| Thời gian | Nội dung | Điểm thực lực | Điểm cảm ơn |
| 20/10/2022 21:48:50 | 10.B11.C12.D13.C14.D15.A16.A17.C | | |
| 20/10/2022 21:46:10 | 1c2c ... | | 3 |
| 19/10/2022 16:00:59 | h) =1 - 22/9 . 9/4= 1 - 11/2= 2/2 - ... | | |
| 19/10/2022 15:56:52 | = (56789 + 3211) - (21435 + 28565)= ... | | 1 |
| 19/10/2022 15:52:09 | B) = (15/34 +19/34) + (-7/21 - ... | | |
| 19/10/2022 15:51:28 | B) = (15/34 +19/34) + (-7/21 - ... | | |
| 19/10/2022 15:31:40 | ( x+ 3y)^2=> x^2 + 6xy + 9y^2 | | 5 |
| 03/08/2022 13:31:03 | A ={ 1,2,3,4,5,6} ... | | 5 |
| 01/08/2022 10:31:27 | a) (x-1).11=33=> (x -1) = 3=> x= 3 ... | | |
| 01/08/2022 10:28:29 | Ta có: K ={0,1,2,3,4,5,6} | | |
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