Mathematics
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青の所の計算がよく分かりません。どなたか丁寧に解説お願いします🙇
(写真2.3枚目は答えの続きです‼️)

70 (1)次の式の値を計算せよ. (log36-1)10g26-10g23-10g32
70 log23 log23 log26 1 (1) log36= +1, 1 log23 log26=log23+1, log32= より. 与式 = 10823 (1 1 +1-1) +1-1 (log23+1) -log23- 1 log23
1 1 =1+ log23- log23 log23 =1-log23

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いかがでしょうか❓

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理解出来ました‼️有り難う御座います🙇‍♀️

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