JW
asd: oblicz wartość wyrażenia 12log54*log230−log56 =
23 maj 16:00
asd: db juz nie trzeba
23 maj 16:04
yht:
| | log530 | |
... = 12*log522* |
| −log56 = |
| | log52 | |
| | log530 | | log530 | |
= 12*2*log52* |
| −log56 = log52* |
| −log56 = |
| | log52 | | log52 | |
= log
530−log
56 = log
5(30/6) = log
55 = 1
23 maj 16:11