解题方法
1 . 如图,在四面体
中,
分别是
与
的中点,若
,
,则
与
所成角的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/87dcf39b-66f3-4adf-bb9d-7de9d0bad2d8.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a301baf6cc0628366e6661a87a2d93ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79982e865f2436988d3bf2d1fb15c4ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/87dcf39b-66f3-4adf-bb9d-7de9d0bad2d8.png?resizew=172)
A.90° | B.45° | C.60° | D.30° |
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2 . 计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ecfa95dac792a2572974d2179f10f7.png)
_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ecfa95dac792a2572974d2179f10f7.png)
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解题方法
3 . 若球O的表面积为
cm2,则它的体积等于_______ cm3.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a39dce3f1e36dbe01293c309816968.png)
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4 . 已知命题
,则命题
的否定是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0588edab1626900871ff7559f7486da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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5 . 已知向量
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8422d23adb0d178985fdf0c77a6460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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6 . 在
中,角
的对边分别是
,已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8c53f43770c0d22fcbcd771a933fde.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5480431f7667be1b717e39a4540bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8c53f43770c0d22fcbcd771a933fde.png)
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2023-12-27更新
|
512次组卷
|
2卷引用:甘肃省2022年普通高中学业水平合格性考试数学试卷
解题方法
7 . 下列函数为偶函数的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
8 . 若集合
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f910018e333a2b96621456324ce61d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afabfd5b4885311f8d9a4bcf791b71.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 已知
是第二象限角,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd00055345ab9b8a95f9cb601e7009e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 已知角
的终边经过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb98394ec9715ba3eedfcbd45eaef61b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82da18f85781ccb440700a43e8a60b21.png)
A.3 | B.2 | C.![]() | D.![]() |
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