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Bab LogaritmaMatematika SMA Kelas X
(log 18 - log 9 + log 4) / (log 10 - log 5) = log (18 . 4 : 9) / log (10 : 5)
= log 8 / log 2
= ²log 2³
= 3 . ²log 2
= 3
log 18×log 9:log 9= 8 dibagi log10:log5= 2
jadi 8:2=4
jadi hasilnya adalah log 4