????????? - ????
...????????? 1.lnx+ lny=lnxy 2.lnx-lny=ln (x/y) 3.lnx?=nlnx 4.ln (??x)=lnx/n 5.lne=1 6.ln1=0 ????? ?????? (rule of logarithmic operations??????????.?????????????????? ???????????????????????????????? ??????????? ......
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??????????? - ????
...1. ???????N2-08jj????N20 8JJ? 2. ?????????N20 8AA?N20 8ZZ? 3. ???????N20 8JJ???Totteridge Ln, London? 4. ????????????????????? 5. ???????50???????????????? 6. ?????????????????????????? ......
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ln?????? - ????
...ln?????? 1???????????????????????????????????????????????????? 2??????????????????????????????????? 3??????????????????????????????????? ......
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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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log???? - ????
...log????log??????????????a?x????N?a>0??a???1?????x???a??N????logarithm????x=logaN????a????????N????????????2^3=8???log2 8=3...
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EXCE???????LN?LOG?LOG10????? - ????
...????????????????????????????????????????????????????????????EXCEL????????3??????LN?LOG?LOG10??? EXCE????????...
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ln?1+x????????? - ????
...= (x+1)*ln (1+x)-x+C ??f (x)??????F (x)+ C (???C??????????f (x)???????????f (x)????????f (x)dx???f??????????dx????f (x)dx=F (x)+C?...
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????L?????N?????_????
...??,????L (LIVE),??????????????,????N (NEUTRAL),?????? ???????????????????????????220???V? (????????????220V)?????????N???????L?????????? ?PE????????? ?????????L ......
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ln???????? - ????
...LN????????????????????????????LN?????????? 1?ln (xy)=ln (x)+ln (y)???????????????????????????????????????????...
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