没办法证明
怎么证明log2 12=log1 12
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相关问题
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1/2^(log2(12))怎么算?
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log⑵36-log⑵12怎么算
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1/2log2(7/48)+log2 12-1/2log2 42
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解不等式：log12(x2−x−2)＞log12(x−1)−1．
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log2 SQR(7/48)+log2 12 -1/2log2 42
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log2 SQR(7/48)+log2 12 -1/2log2 48
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1.计算1/2log3 12-log3 2=()
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log4(3)-log4(12)-log8(4) =log4(3/12)- log8( 8^(2/3) ) log8(
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log2 √7/24+log2 12-log442
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log2(根号下7/48)+log2(12)-1/2log2(42)-1=?