| | namdung | | 38 | 36,558 |
| | levietbao | | 18 | 31,140 |
| | 99 | 08-01-2014 07:53 PM bởi pega94 | 3 | 10,760 |
| | pte.alpha | | 166 | 102,608 |
| | emptyhands7697 | 12-11-2012 09:19 PM bởi TrauBo | 34 | 34,425 |
|
| | batigoal | | 40 | 11,988 |
| | batigoal | 18-05-2012 09:37 PM bởi 99 | 4 | 4,390 |
| | ngocthi0101 | | 7 | 4,436 |
| | 99 | 16-05-2012 12:03 AM bởi 99 | 18 | 10,937 |
| | inuyashahot | | 5 | 3,886 |
| | pvthuan | | 3 | 3,644 |
| | neo_hv | 07-05-2012 07:45 PM bởi 99 | 17 | 5,646 |
| | hakudoshi | | 33 | 8,813 |
| | hansongkyung | 27-04-2012 02:29 AM bởi 99 | 2 | 2,693 |
| | bamboosky | 07-04-2012 03:55 AM bởi sang89 | 6 | 3,544 |
| | hoduckhanhgx | | 1 | 3,071 |
| | hungqh | 03-04-2012 08:29 PM bởi hungqh | 0 | 2,667 |
| | conmeovochu | | 22 | 7,353 |
| | batigoal | | 1 | 2,708 |
| | batigoal | 08-03-2012 05:05 PM bởi 99 | 11 | 4,117 |
| | thinhptnk | 06-03-2012 07:31 PM bởi neo_hv | 3 | 3,330 |
| | BGD | | 21 | 7,363 |
| | hakudoshi | 01-03-2012 01:01 AM bởi 99 | 1 | 2,987 |
| | 4eyes_l0vely | | 0 | 2,758 |
| | very easy | | 7 | 6,472 |
| | 5434 | 13-02-2012 09:06 PM bởi 5434 | 3 | 2,516 |
| | batigoal | | 16 | 5,999 |
| | Nostalgia! | 04-02-2012 11:59 AM bởi neo_hv | 4 | 3,583 |
| | batigoal | | 75 | 32,415 |
| | 99 | | 4 | 5,017 |
| | modular | | 7 | 5,454 |
| | sinhvientoan | | 9 | 4,700 |
| | tuananh1486 | | 42 | 21,419 |
| | minhcanh2095 | | 6 | 4,752 |
| | Newmath | | 6 | 3,959 |
| | n.v.thanh | | 1 | 2,988 |
| | baotram | | 31 | 10,253 |
| | Haley | | 18 | 6,209 |
| | IMO | 21-10-2011 05:17 PM bởi IMO | 0 | 3,009 |
| | soros_fighter | | 4 | 3,930 |
| | vidai | | 56 | 20,410 |
| | minhhieu123 | 13-09-2011 07:55 PM bởi vinh1b | 4 | 4,372 |
| | barcapro | | 0 | 2,845 |
| | baotram | | 7 | 4,594 |
| | minhcanh2095 | | 23 | 17,933 |
| | PhamTruongDinh | 18-08-2011 03:02 PM bởi vghy94 | 5 | 3,971 |
| | Combinatorial@ | | 4 | 3,549 |
| | tiger3323551 | | 12 | 4,557 |
| | hangel_elf | | 0 | 2,804 |
| | vidai | | 14 | 5,677 |
| | vidai | | 1 | 2,786 |
| | vidai | | 11 | 4,420 |
| | H_scorpio_95 | | 3 | 3,872 |
| | Galois_vn | | 5 | 3,692 |
| | batigoal | | 45 | 15,314 |