解题方法
1 . (1)计算:
;
(2)已知
,计算
的值并证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03174be2aeab05cb62ce0202313fe2b8.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d00f77341badaa94a3a56e410d0985b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f0b84ee4ed90face0993d4f4dda379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ae5638d85483b26edfd69a0a4abaae.png)
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2 . 党的二十大会议确定“高质量发展是全面建设社会主义现代化国家的首要任务”的新部署.某企业落实该举措后因地制宜,发展经济,预计
年人均增加
元收入,以后每年将在此基础上以
的增长率增长,则该企业每年人均增加收入开始超过
元的年份大约是( )
(参考数据:
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e946baf1316ac1f219398ecedadf6cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadc63e6e33743ce590ed968948a5a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f733b1ceeead9ff892539d46a23f3626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfce2106c9ad85e4965af5d95c9bf4d8.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c0309456de2cd6420ece4fbc5eeddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6634323a463191194dd14c3a9cbc7a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c6dbc06493f4d4614990e7822a5343.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 设
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6423ea898f99107adf6f7a349b6d95d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f397da88c4a946260d10fc61a583f3d3.png)
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解题方法
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c4ba74adbcdc3cba5a727b4e7886c2.png)
为定义域上的奇函数.
(1)求实数
的值;
(2)若
,试用
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c4ba74adbcdc3cba5a727b4e7886c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb76c52881250e22807c5fcc8ba90188.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd876870cd37988b925e9b0de68bd4d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c3681bdf05d46ca21f13f42bf9423d.png)
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5 . 计算![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4c551a3159ae96a336bee05d64bc26.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4c551a3159ae96a336bee05d64bc26.png)
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6 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87186eff5f1e466553734bbf6b361a94.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b218cb7856f359c2d37eaf6a79cff8d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 已知指数函数
,
,(
,
且
,
),且
,
.则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d76ee3b131ecd6aa1aacf7fb7b3eb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e881dc834770386771690ee4efbb7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406185f4ad8bcd99e23adc8d289088ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcef60e5d4f3b49a3c6e2507e8998439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c5052f41d86c1faedf51227a30f0a30.png)
A.![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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9 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bfc3428d05f284c634abc73aa2f06f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b585ab0545010997dd5d2fc1fb783e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bfc3428d05f284c634abc73aa2f06f.png)
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10 . 求下列各式的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fb30c3e9d24394394cb232e8b8d586.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa20d3ff76a872014ed0871c993388d.png)
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