POMOCZ PILNE
tokarka: 2log732−log7256−2log714
7 gru 18:41
Janek191:
= log
7 32
2 − log
7 256 − log
7 14
2 = log
7 1024 − log
7 256 − log
7 196 =
| | 1024 | | 4 | |
= log7 |
| − log7 196 = log7 4 − log7 196 = log7 |
| = |
| | 256 | | 196 | |
| | 1 | | 1 | | 1 | |
= log7 |
| = − 2 , bo 7−2 = |
| = |
| |
| | 49 | | 72 | | 49 | |
7 gru 18:53