解题方法
1 . 设
,
,
,则
的大小顺序是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ed2c9350ed98403e5d62f5c957ab6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749c8edf656c784293a25054e5626319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15810f8267b4152e6f801c7a6081830f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fc107c4b33d6dd648b396156494ea9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 设
,
,
,则P,Q,R的大小顺序是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb8aabf4b6ef6f170526df390e95b0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5fe050528d48771afaaf14ea242041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389795a829ff0f2c8474df5a8618f44c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 设实数a,b,c满足
且
,则a,b,c之间的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87ff1f84a8eae778d67d5d27aea5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3a1777fee1fed3f0701c6da1a158db.png)
A.![]() | B.![]() |
C.![]() | D.不能比较大小 |
您最近一年使用:0次
名校
4 . 复数
,
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc5a2e43936befc7fe8c6c36e692f4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f8fa526d11ce3e7f87bc93e406a6a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae64045ea4bf9bc45d12e336a160720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc70e049d2898cb75947e83f2a0ac2.png)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() | D.![]() |
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5 . 已知
在
上为增函数.
,
,则
,
的大小关系是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ebce9a1d5436b54a6f02382f54b589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48907c2248f6b68c1c307888cf28563e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec0e0c1438940422cb35351a9010950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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解题方法
6 . 等差数列
的前
项和为
,且
,若存在自然数
,使得
,则当
时,
与
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179513ce80436471efbe1d9b31735f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527093b2ec760913d0dccff8a099248b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067bd5f4f657d59f9c8fe47e71ca5ac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eae51f0310b87cde2e206643e9d25a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
A.![]() | B.![]() ![]() ![]() |
C.![]() | D.大小不能确定 |
您最近一年使用:0次