Mathematics
Senior High
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途中式の分母、15^2×45となるのは何故ですか?
5) 4logs 3-2logs 15-logs 45
344 底の変換公式を用いて,次の式を簡単
(5)=log, 3-log, 152-log, 45
34
1
= logs
152x45
=logs 125
=log,5-3=-3
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