Logarithmensätze

= log₆ 20 + log₆ 30

= log₆ 2 + log₆ 25

= log₃ 18 – log₃ 2

= log₃ 11 – log₃ 2

= 2 · log₃ 9

= 9 · log₃ 2

= 1

= 8

= 0

= 1

= 7

= 0