log6[log4(log381)]=______.
题型:填空题难度:一般来源:不详
log6[log4(log381)]=______. |
答案
log6[log4(log381)]=log6(log44) =log61 =0 故答案为0 |
举一反三
三个数70.3,0.37,ln0.3的大小关系是( )A.ln0.3>70.3>0.37 | B.70.3>ln0.3>0.37 | C.0.37>70.3>ln0.3 | D.70.3>0.37>ln0.3 |
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(log43+log83)(log32+log98)=______. |
比较下列各组数的大小. (1)log2______log2; (2)log32______1; (3)log4______0. |
设a=log34,b=log2,c=log3,则( )A.a>b>c | B.a>c>b | C.b>a>c | D.b>c>a |
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函数f(x)=logax(a>0,a≠1),若f(x1x2…x2009)=16,则f(x12)+f(x22)+…+f(x20092)=______. |
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