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1 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40d517f1354ec1851a91f888e8a2046.png)
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40d517f1354ec1851a91f888e8a2046.png)
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2 . 已知
,则不等式
成立 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea501f8f2aa136fa5eb89ef0a2b3766c.png)
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3 . 对于函数
的定义域为
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2962e75b70682d46d5f5feca0c0b82a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43baac6491f52a8596922aaaffa8883d.png)
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4 .
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998cd189c57278d1fdb69d093c8354aa.png)
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5 . 若
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e766910da09b0be3e75e781937c6fa37.png)
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37942dd0747bc4bdf3372be4cf49c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e766910da09b0be3e75e781937c6fa37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb9510d933212b4f5037ac61a8723734.png)
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6 . 若10=lgx,则x=10._____
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7 . 函数
,当
时,
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6b95762e409c1f256579274e574a44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
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8 . lg(lne)=0._____
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9 . loga(MN)=logaM+logaN._____
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10 . 判断正误(正确的打“ 正确”,错误的打“ 错误”)
(1)积、商的对数可以化为对数的和、差.( )
(2)
.( )
(3)
.( )
(4)
.( )
(1)积、商的对数可以化为对数的和、差.
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651140cda39885ad59f0ecb78ff54e6e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c75e8e84ab37af755d6d087698cf073.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d76ce9f07f3ee67a03bbcc5930594fa.png)
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