名校
1 . 已知复数
在复平面内对应点
,则复数
对应点坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca280ccbf4426a4e3837e03ac8791d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ea3cc01ce7266cdf0fd73fd50d23c8.png)
您最近一年使用:0次
名校
2 . 在平行四边形
中,
是
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb8de5ffef8895a263fa63294e1e265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
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解题方法
3 . 在扇形
中,
,点
在弧
上运动且不与点
重合,
于点
,
与点
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/21/19b6da36-4ba4-47b7-8547-ae91fa94ab56.png?resizew=120)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5377ec9e3fb55fc0eb9081c1fe920635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7251d14111473460f02a65c7531c51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b836a0f9c491f85767e8f6695576fd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/21/19b6da36-4ba4-47b7-8547-ae91fa94ab56.png?resizew=120)
A.![]() |
B.![]() |
C.![]() ![]() |
D.四边形![]() ![]() |
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4 . 在①
;②
;③设△ABC的面积为S,且
.这三个条件中任选一个,补充在下面的横线上.并加以解答.
在△ABC中,角A,B,C的对边分别为a,b,c,且 .
(1)求角B的大小;
(2)若
,
,且C为钝角,求△ABC的周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bdd31043c300b09b096b518729cb7e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c15da6be54e616da972b43e7fc55fc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be49a7cf070944ed151839a8c0983bec.png)
在△ABC中,角A,B,C的对边分别为a,b,c,且 .
(1)求角B的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6129fbf40a950fc8c516f0abaab21957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e124aadc347ad540de68f2c6d17afc4.png)
您最近一年使用:0次
2024-05-06更新
|
485次组卷
|
2卷引用:江苏省扬州市广陵区红桥高级中学2023-2024学年高一下学期4月期中考试数学试题
名校
解题方法
5 . 设
是钝角,
.
(1)求
的值;
(2)求
和
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ebb96c73c0abf240bdc3f9d1ecec7b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f88d80d4a4f5600f027898626ba857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2697c46b97dc590beaf8bfb81c6ea655.png)
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6 .
中,角
的平分线交边
于点
,则角平分线
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9aa4692ed8d4cba92eb62340e91ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
2024-05-06更新
|
565次组卷
|
3卷引用:江苏省扬州市广陵区红桥高级中学2023-2024学年高一下学期4月期中考试数学试题
名校
解题方法
7 . 已知
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65b49a098477f74b6b70382fb0a9cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 如图,由正四棱锥
和正方体
组成的多面体的所有棱长均为
.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
A.![]() ![]() |
B.平面![]() ![]() |
C.![]() ![]() ![]() |
D.点![]() ![]() ![]() |
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名校
9 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6bac53ae78b1b15e3e0aa68591f2e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
10 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c28d596b69132cd0d2299c6093e02e2.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f4facdcf8225101889b12170f53508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c28d596b69132cd0d2299c6093e02e2.png)
您最近一年使用:0次