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三个数60.7,0.76,log0.76的大小顺序是(  )                        A...

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三个数60.7,0.76,log0.76的大小顺序是(  )                        A...

三个数60.7,0.76,log0.76的大小顺序是(  )                        

A.0.76<60.7<log0.76 B.0.76<log0.76<60.7                     

C.log0.76<60.7<0.76 D.log0.76<0.76<60.7                     

                                                          

【回答】

D【考点】不等关系与不等式.                                    

【专题】函数的*质及应用.                                     

【分析】由指数函数和对数函数的图象可以判断60.7,0.76,log0.76和0 和1的大小,从而可以判断60.7,0.76,log0.76的大小.                                                      

【解答】解:由指数函数和对数函数的图象可知:                       

60.7>1,0<0.76<1,log0.76<0,                                 

∴log0.76<0.76<60.7                                          

故选:D.                                                   

【点评】本题考查利用*值法比较大小、考查指数函数、对数函数的图象和*质,属基础知识、基本题型的考查.                                            

                                                          

知识点:基本初等函数I

题型:选择题

标签:log076