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1 . 命题“存在一个无理数,它的平方是有理数”的否定是____________________________ .
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2 . 从3台甲型彩电和2台乙型彩电中任取3台,其中两种品牌的彩电齐全的概率是________ .
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2014高三·全国·专题练习
名校
3 . 将函数
的图象向左平移
个单位后,得到函数
的图象,则
等于_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686490fd1200d75b734d12c9c260bb1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2486d0f6eac157a26dfa902cea2089.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
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7卷引用:新疆喀什第二中学2021-2022学年高一下学期文理分科(春季开学)考试数学试题
新疆喀什第二中学2021-2022学年高一下学期文理分科(春季开学)考试数学试题(已下线)2014届高考数学总复习考点引领+技巧点拨第三章第9课时练习卷2016届江苏省清江中学高三上学期周练数学试卷1人教A版(2019) 必修第一册 必杀技 第五章 第5.6节综合训练人教A版 必杀技 第一章 三角函数 1.5 函数 的图像(已下线)5.6+函数y=Asin(ωx+φ)的图象和性质-2020-2021学年新教材导学导练高中数学必修第一册(人教A版)人教A版(2019) 必修第一册 数学奇书 学业评价(五十三)函数y=Asin(ωx+φ)的图象及变换
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解题方法
4 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2814f3570a25f30f8acf212d8bd1b382.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d7b3c92e7343a586084f01ea5e45889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2814f3570a25f30f8acf212d8bd1b382.png)
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5卷引用:2016-2017学年新疆库尔勒四中高二上学期分班考试数学(文)试卷
5 . 若点
在函数
的图象上,则
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ab3af76e965d21ad18131f366522e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cf7675fc49cbdf3611ac547d85c8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98128afd3c3251de872946da647cb7e3.png)
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415次组卷
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5卷引用:2016-2017学年新疆库尔勒市四中高二上学期分班考试数学(理)试卷
2016-2017学年新疆库尔勒市四中高二上学期分班考试数学(理)试卷(已下线)2014届广东省揭阳市高三3月第一次模拟考试理科数学试卷(已下线)2014届广东省揭阳市高三3月第一次模拟考试文科数学试卷河北省石家庄市普通高中2018届高三10月份月考数学试题河北省石家庄市正定县河北正中实验中学2023-2024学年高三上学期9月月考数学试题
9-10高一下·江苏南京·期末
解题方法
6 . 已知两条不同直线
、
,两个不同平面
、
,给出下列命题:
①若
垂直于
内的两条相交直线,则
⊥
;
②若
∥
,则
平行于
内的所有直线;
③若![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
,![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
且
⊥
,则
⊥
;
④若![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
,
,则
⊥
;
⑤若![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
,![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
且
∥
,则
∥
.
其中正确命题的序号是__________ .(把你认为正确命题的序号都填上)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
①若
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
②若
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
③若
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
④若
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/6dc360bab20a4dd38acc25de5d1155b1.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
⑤若
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
其中正确命题的序号是
您最近一年使用:0次
2016-11-30更新
|
820次组卷
|
7卷引用:2016-2017学年新疆库尔勒市四中高二上学期分班考试数学(理)试卷
2016-2017学年新疆库尔勒市四中高二上学期分班考试数学(理)试卷(已下线)2010年江苏省南京六中高一第二学期期末考试数学试卷(已下线)2011年浙江省苍南县三校高二上学期期中考试数学理卷(已下线)2010-2011学年江苏省南京六中高一下学期期末考试数学(已下线)2011-2012学年福建省闽侯二中、闽清高级中学等五校高一第一学期期末联考数学(已下线)2011-2012学年福建省福州八中高一第一学期期末考试数学(已下线)2012-2013学年浙江杭州西湖高级中学高二12月月考理科数学试卷
10-11高二下·河北邯郸·阶段练习
名校
7 . 设
,当x∈[﹣1,2]时,
恒成立,则实数
的取值范围为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab8afe6eedc59c23c434e97198041f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eea6364dd7a27b8d8d29e41cbb91e06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-11-30更新
|
914次组卷
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15卷引用:2015-2016学年新疆兵团农二师华山中学高二下学前考试理科数学试卷
2015-2016学年新疆兵团农二师华山中学高二下学前考试理科数学试卷新疆实验中学2018-2019学年高二下学期开学检测数学试题新疆乌鲁木齐市第四中学2018-2019学年高二下学期期中数学(文)试题四川省武胜烈面中学校2019-2020学年高二下学期开学考试数学(文)试题(已下线)2011年河北省魏县一中高二下学期3月月考数学卷(已下线)2011年河北省魏县一中高二3月份月考数学理卷(已下线)2010-2011年湖北省襄阳四校高二第二学期期中考试文数(已下线)2011-2012学年山西省康杰中学高二下学期月考理科数学试卷(已下线)2011-2012学年吉林省长春外国语学校高二下学期3月月考数学(已下线)2012-2013学年湖南省浏阳一中高二下学期第一次月考理科数学试卷(已下线)2012-2013学年江苏省东台市唐洋中学高二下学期期中考试理科数学试卷(已下线)2013-2014学年河南省洛阳八中高二下学期第一次月考理科数学试卷2015-2016学年四川省阆中中学高二下第一次段考文数学卷河北省涿鹿县涿鹿中学2019-2020学年高二下学期3月月考数学试题宁夏长庆高级中学2020-2021学年高二上学期第二次月考数学(文)试题