Odpowiedzi

2010-02-04T11:27:06+01:00
Log7 6^3 + log7 6^7 =
= log ₇6³ + log₇6⁷ =
= 3 log₇6 + 7 log₇6 =
= ( 3 + 7 ) log₇6 =
= 10 log₇6