摘要:对数运算常用公式 (1)a=N (2)logaM+logaN=loga(MN) (3)logaM-logaN=loga (4)logaMn=nloga|M| (5)loga=loga|M| (6)loga=loga|M| (7)logbM= (8) (9)logab·logbc=logac
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