a
b
=c 即 log
a
c=b, log 是求指數, a
0
=1 即 log
a
1=0
log10
2
=2log10=2, 但 (log10)
2
=1
2
=1
log
2
8=3log
2
2=3, 但 log2
8
=8log2=2.40824
QUESTION
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YOUR ANSWER
correct answer
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