log?lg?ln????_????
...log????????????log?2????log?8???2???????????2?3???8???8??2?????3? lg?10????????????? ln?? ???e ?e=2.71828...????????? ???? ??????????????????????????? ????????? ......
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ln??????? - ????
...ln???????ln?????????????????1.ln (x)???e???x??????e??2.71828? ??ln?????????...
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ln???????? - ????
...LN????????????????????????????LN?????????? 1?ln (xy)=ln (x)+ln (y)???????????????????????????????????????????...
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ln?????ln????????-????
...lnx??e??????????e????????????????2.718281828459? ?????????1,0????C????,??????????????????????Y ???????????????????X?? ?????x>0 ???y???? ???? ??????????y=logax ? ......
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Ln????? - ????
...Ln?????1?ln (MN)=lnM +lnN2?ln (M/N)=lnM-lnN3?ln?M^n)=nlnM4?ln1=05?lne=1???M>0?N>0????????e?????????lnN (N>0)???????????b=a^m?a=c^n??b= (c^n)^m=c^...
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??? ln (1+ x)??????????_????
...ln (x+1) = x - x²/2 + x³/3 - ... + (-1)^ (n+1) * x?/n ????x = 0????ln1?????x?????????????????????????????????n? ???ln (1+x)???????????-1?1???????ln (1+x)???????...
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???ln?log ????ln?log??_????
...???ln?log ????ln?log???????ln?log????????ln?log????????ln?log??????????????e????2.71828????????ln (x) = log? (x)??log?????10??...
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???Ln?????? - ????
...???Ln??????????Ln???e???????loge???e?????????2.718? ???Ln??????e????????...
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??ln2,ln3,ln4?????? - ????
...??????a?ln??????????????????????e???????a? ???????ln2?ln3?ln4???????????????e?????????2?3?4?...
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ln (a+b)????????-????
...Ln?a+b? = Lna * Ln [1 + (b/a)] = Lnb * Ln [1 + (a/b)] ???????e?????????lnN (N>0)?????????????????????????????lnx????????logx???????????????10?????lgx??????????ex? ????? ??????????????? ......
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