Jawabanmu

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2014-09-09T23:07:36+07:00
Log 1000= 10 log 1000 = 3
log10= 10 log 10= 1

jdi 3-1= 2

1 5 1
2014-09-09T23:19:01+07:00
Log 1000 = 3 , log 10 = 1 maka log 1000-log 10 = 3-1 =2