1 . 在等比数列
中,已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb7147e313f9d9f67d19ecb5f499c05.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0748c346ed88f98e424de8edf278325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878f2b173b88049b347a2b196103ef40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb7147e313f9d9f67d19ecb5f499c05.png)
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2 . 设不等式
的解集为A,关于x的不等式
(a为常数)的解集为B,若A⊆B,则a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57032c1466f18d9750637c3a00f6a316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8299782307909d80180b90a0f06e8a1.png)
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3 . 已知圆C:
恒过点A,且点A在函数
的图象上,则f(x)的值域为____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c472b4ba3b232708cc8a13be63b9f54b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f6e2648a435af9f7c8266320906ba8.png)
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4 . 若函数
为幂函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5c145746b575278538f9befc802d9b.png)
_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185ad32918d12a0e1ee7e279ca4f91ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5c145746b575278538f9befc802d9b.png)
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5 .
(
为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7d858d1a5bd411f82518afa8174090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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6 . 设等比数列
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebce85ea9bc18815ef8887057030a63.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25fc6e4698a74a39097e891812c976ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de6e33f4455a10be635d52517a2df8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebce85ea9bc18815ef8887057030a63.png)
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7 . 在△ABC中,D是BC上的点,AD平分
,△ABD面积是△ADC面积的2倍.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef54d9813c8852713ce9f3e7c31d6872.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef54d9813c8852713ce9f3e7c31d6872.png)
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2022-08-13更新
|
413次组卷
|
2卷引用:河南省安阳市内黄县第一中学2021-2022学年高二上学期培优部开学检测数学理科试题
解题方法
8 . 已知关于
,
的不等式组
表示的平面区域为
,在区域
内随机取一点
,则
的概率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e1b66574125e5ede9325f96ba35207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128aa322f3e76e8f03a7402bb2b2ae25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd0cb69c707d5608a3d46c37c6df378.png)
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2022-08-08更新
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5卷引用:河南省安阳市2021届高三第四次模拟考试数学文科试题
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9 . 已知实数
,
满足约束条件
则
的最小值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efbf231ca4a9ca51ffa751f354ada11c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a125cb40ab3d54de9f3a444032af5e4.png)
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2022-03-02更新
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2卷引用:河南省安阳市2021届高三下学期第三次模拟考试文科数学试题
10 . 已知数列
满足
,且前8项和为506,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867f01c4b57492a38ad1788c2bc5ce63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
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2022-03-02更新
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346次组卷
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3卷引用:河南省安阳市2021届高三下学期第三次模拟考试文科数学试题