Mathematics
Senior High
Solved
この問題の、丸がついている部分の式変形が分かりません。対数の性質にこんな動きありましたか…？どなたか教えてください！
iog。80 log。(24x5)
log。20 log。(22x5)
4logz22十log25 4十log。5
2log22十logz5 2本log。5.
_ log。5 |
Jog。2-
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すっきりしました、ありがとうございます！