Respostas

2014-02-13T05:29:42-02:00
Log5(625) = log625/log5 = 4log5 /log(10/2) = 4(log10/2)/(log10/2) = 4

Log 100 = Log 10² = 2Log10 = 2

Log3(27) = Log27/Log3 = Log3³/Log3 = 3 Log3/Log3 = 3

x = 4 + 2 - 3
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x = 3
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