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1指数式和对数式的运算强化训练题(全卷30道题,每小题5分共150分.要求100分钟完成)班级姓名得分一.选择题:1.若,abR,下列各式总能成立的是()A.666ababB.2828(23)23aaaaC.4444ababD.1010abab2..25log()5a(0a)化简得结果是()A.aB.2aC.||aD.a3..若732log[log(log)]0x,则12x()A.3B.23C.22D.324.已知2log3x,则12x()A.31B.321C.331D.425.已知3lg,5log,9log28则ba()A.1baB.)1(23baC.)1(23baD.ba2)1(36.已知35abm,且112ab,则m之值为()A.15B.15C.15D.225二.计算题:7.014130.753327(0.064)(2)160.018.8.222lg5lg8lg5lg20(lg2)3.29.24525(log5+log0.2)(log2+log0.5).10.6lg21)6(lg29lg4lg2.11.27214log10log23235(21)127logloglog4(33)73322.12.6(23)log(743)log(2323).13.lg2lg3lg10lg27lg8lg10001lg1.8lg0.3lg22.三.化简题:14.abacccalogloglog.15.23)2(lg8000lg5lg.16.42938432log)2log2)(log3log3(log.317.12527lg81lg6log2.18.15log45log)3(log515215.29.24892(log3log9log27log3)log32nnn.20.xxxxxxxlglg21lg)lg(lglg)lg(lg)lg(lg)(lg2222.四.简答题:21.已知,3128xy,求yx11.22.已知,方程03log6log222xx的两根为,,求11()()44.23.已知,0)](log[loglog)](log[loglog)](log[loglog324243432zyx,求xyz.424.已知,,15533515cba求acbcab35.25.已知,9,12xyyx且yx,求21212121yxyx的值.26.已知,0a,111()2nnxaa,求nxx)1(2.27.已知,lglg2lg2lglgxyxyxy,求xy的值.28.已知,222,,(0,)abcabc且,求22log(1)log(1)bcacab.29.已知,lglglg0xyz,求yxxzzyzyxlg1lg1lg1lg1lg1lg1.30.已知,222222loglogloglog)(log)(logayaxxayxaaaxaa,求)(logxya.
本文标题:人教A版高中数学必修一指数式与对数式运算强化训练题
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