1 . 若一个直角三角形中两条直角边都是整数,且周长是面积的整数倍,则称其为“
三角形”,则这样的“
三角形”共有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2 . 如图,
是横坐标为2的定点,点
在直线
上运动,
,
,当点
从原点
运动到横坐标为2的点
时,点
的运动距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b92a937da50218ce1b0f6b26c03a117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b15b82151bff7cc0238d2034a6129f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/f5f510c1-9c5a-40b9-beaa-bdae936ab288.png?resizew=165)
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2022高一·全国·专题练习
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解题方法
3 . 已知向量
,
,
满足:
,
且
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18517bc2f8516a8e9719b73faee0aafd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3797ac9ea94855ed77cb9be5b4671874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c203a60219e5a1a752ab6325a745c060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e6f98f23fea7db0f74897928024ca0.png)
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2024-01-24更新
|
1333次组卷
|
6卷引用:专题07 奔驰定理与四心的相关运算及构造圆解决向量问题-【重难点突破】2021-2022学年高一数学常考题专练(人教A版2019必修第二册)
(已下线)专题07 奔驰定理与四心的相关运算及构造圆解决向量问题-【重难点突破】2021-2022学年高一数学常考题专练(人教A版2019必修第二册)江苏省苏州市南京航空航天大学苏州附属中学2022-2023学年高一下学期6月月考数学试卷(已下线)第9章:平面向量章末检测卷-【寒假自学课】(苏教版2019)(已下线)6.2.4 向量的数量积10种常考题型归类(2)-高频考点通关与解题策略(人教A版2019必修第二册)(已下线)6.2.4 向量的数量积——课后作业(基础版)(已下线)第06讲 拓展一:平面向量的拓展应用 (讲)
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4 . 已知函数
是
的奇函数,对任意
,都有
成立,当
,且
时,都有
,有下列命题:
①
;
②直线
是函数
图象的一条对称轴;
③函数
在
上有5个零点;
④函数
在
上单调递减.
则结论正确的是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbf125838217a7f42364e7aec81cc25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a6c0fddb9074dfc96be03b4aa24d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698cf53f76a1d637dfe2732d0a866eec.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937ed54cc24fdaf5292f408a49eabefc.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf2917e77945b30da7be9b48b0b317a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2a7b456eeaf035021c1db7beea8512.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8434625e23870a2d1595d373d55a739.png)
则结论正确的是
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解题方法
5 . 函数的最大值记为M,最小值记为m,其中
为负常数,若
,则
您最近一年使用:0次
2023-10-30更新
|
439次组卷
|
3卷引用:江苏省苏州大学附属中学2022-2023学年高一上学期10月月考数学试题
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6 . 已知
,函数
,若对于任意实数a,方程
有且只有一个实数根,且
,函数
的图象与函数
的图象有三个不同的交点,则t的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b03f80f07bd8d79576565bf427a91e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a17553d2e3f5c25b2b6d5f1504a2f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d300a3a6d3270bccac16b34fd7a3cb5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73eb26409971348992cd6ae9e67b8296.png)
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2023-09-30更新
|
684次组卷
|
4卷引用:福建省闽江学院附属中学2022-2023学年高一上学期期中考试数学试题
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7 . 若区间
满足:①函数
在
上有定义且单调;②函数
在
上的值域也为
,则称区间
为函数
的共鸣区间.请完成:(1)写出函数
的一个共鸣区间________ ;(2)若函数
存在共鸣区间,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3daad3a31a3597f75fa109736ed2ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619473f7c43f604133c3e6d19b34fc62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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8 . 函数
的图象关于坐标原点成中心对称的充要条件是函数
为奇函数,将其推广:函数
的图象关于点
成中心对称的充要条件是函数
为奇函数.则函数
图象的对称中心为______ ;
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d0969cb7acbeaa05a101a385348a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28034dcafe542a98d95d4504ad7d8a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e081a298767de2b411a16476825b60.png)
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2023-09-27更新
|
467次组卷
|
2卷引用:山东省泰安第一中学2022-2023学年高一上学期期中数学试题
名校
解题方法
9 . 已知直线
,点
是
之间的一定点,并且P点到
的距离分别是
,B点是
上的一动点,作
,且使
与
交于点
,则以下说法中正确的有____________ .
①三角形
的面积存在最小值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98928d2735c4668d486ba89bde055902.png)
②
存在最大值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46ae27a5beb3517cd2e538cbd139495.png)
③当
时,
的长存在最小值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15752847ab476edec45450680887baa8.png)
④当
时,点P到
的距离为定值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0dd294f8053b5a82d808ee00f924c2.png)
⑤当
时,
与
的夹角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b721afb477b5e952b82ce210a85cc4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
①三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98928d2735c4668d486ba89bde055902.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46ae27a5beb3517cd2e538cbd139495.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9605cb0aa53deddc440e97668291eaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15752847ab476edec45450680887baa8.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9605cb0aa53deddc440e97668291eaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0dd294f8053b5a82d808ee00f924c2.png)
⑤当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358b4aa966786b625dd708fd76569da6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
您最近一年使用:0次
20-21高一·全国·课后作业
10 . 已知方程
,则当
时,该方程所有实根的和为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6dfd4dac5c608347d10b23dba6bacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e96a6b630cbc1b8ac993beb5a1fab1b.png)
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2024-02-04更新
|
387次组卷
|
8卷引用:5.6函数y=Asin(ωx+φ)C卷
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