ysj指數(shù)函數(shù)藏漢雙語課件

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6、log21log2 11232loglogaax yz 23logaxyzit?2h?itit?2h?it ? ? ?,ih?bh?b?h?bhi?h?bh?h,?h?b?t?,ih?bh?b?h?bhi?h?bh?h,?h?b?t 52 lg100 . 7521 log42; it?2h?itit?2h?it?h?t?h?t （1）)24(log572 522log 724log 522log 1422log =14+5=1921lg105 2lg105 25 5lg 100 （2）（1） （4） （3） （2） 1. ?,ih?bh?b?h瓀?h?h?bh?h,?h?b?t15log5lo

7、g332lg5lg 31log3log553log6log2236log22log21)25lg( 10lg1)313(log51log50155log3133log1 ?,2h1?ht?,2h1?htlogloglogaaaMNMNlogloglogaaaMMNN loglogRnaaMnMn(a 0，a 1，M 0， N 0) ?h?h? ?b?h?t?b?h?t_ .x 661log 12log22 ?bh?h,?h?b?bh?h,?h?b ?b?t?b?t23abc12 ,?h?h?h?.?it,?h?h?h?.?itcbaxlg3lg2lglg348log348log222 .?ih

8、?hbhl?h?b?h2?h?b?t?ih?hbhl?h?b?h2?h?b?t(a 0，a 1，M 0， N 0)logloglogaaaMNMNlogloglogaaaMMNN loglogRnaaMnMn ?h?it?h?itlog ()aMNloglogaaMN log ()aMN loglogaaMN 1. lg，lg，lg?hb?h?,ih?bh?b?h瓀?h?h?hild?hi?t（1） （2） zxy2lgzyx2lg2. ?,ih?bh?b?h瓀?h?h?bh?h,?h?b?t);416(log132）（;4log12log233）（;51lg5lg32lg43）（ ?hi?bh,?hm?h?h1?h?h,?h?h?ihtt?hi?bh,?hm?h?h1?h?h,?h?h?ihtt