History of question #615
| When | Who | Action | New State |
|---|---|---|---|
| Bajtalan Hunor | Answer | Open | |
| Diogo Matsubara | Answer | Open | |
| arruah | Comment | Open | |
| Diogo Matsubara | Answer | Open | |
| prof-nt | Answer | Answered | |
| Patricio Tello | Answer | Answered | |
| Jose Andres Fuentes Richter | Answer | Answered | |
| Jose Andres Fuentes Richter | Answer | Answered | |
| zvvx | Comment | Answered |
