名校
解题方法
1 . 已知函数
.
(1)求
的解析式;
(2)求不等式
的解集;
(3)若存在
,使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/035743589d3cdbe21bdd660ede3b3755.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5300590ff3ed47179909171816b56fc6.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce426a8dba7e08538d7b68bc1076d9a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-03-10更新
|
193次组卷
|
2卷引用:广西百所名校2023-2024学年高一下学期开学考试数学试题
名校
2 . 已知函数
,若存在四个实数
,
,
,
,使得
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ea84cabb1b650608312223fef179e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8a6c0f752f63f95ffb36a68443af3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138348b078a119a26e9848cad0f060a2.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-01-27更新
|
227次组卷
|
2卷引用:江西省宜春市宜春中学2023-2024学年高一下学期开学考试数学试题
名校
3 . 设集合
是实数集
的子集,如果
满足:
,使得
,则称
为集合
的一个聚点.在下列集合中,以0为一个聚点的集合有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a878b225daaa8b3753adf96277dde33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f60864c6e2acb14afbe367c95cc307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-01-24更新
|
108次组卷
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2卷引用:山西省运城市康杰中学2023-2024学年高一下学期开学考试数学试题
4 . 如图,在平面直角坐标系
中,已知矩形
的边
分别在
轴和
轴上,
.点
从点
开始沿
边匀速移动,点
从点
开始沿
边匀速移动,点
,点
同时出发,它们移动的速度均为每秒一个单位长度,设两个点运动的时间为
秒
.
(1)连接矩形的对角线
,当
为何值时,以
为顶点的三角形与
相似;
(2)在点
,点
运动过程中,线段
的中点
也随着运动,请求出
的最小值;
(3)将
沿
所在直线翻折后得到
,试判断
点能否在对角线
上,如果能,求出此时
的值,如果不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea16ceca816f7d3d50650af141baf42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a5e484dfef494d27bc35ae7b8cf75d.png)
![](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/891dfea1ff95c085906b9dedb1fb7e3f.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/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384fdf4a4c2c753f18a384f62880eb8b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/19/33b2f07e-0981-432a-9308-203cd221e80e.png?resizew=165)
(1)连接矩形的对角线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc4a11180bbca41602777e91d59b9bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(2)在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53330c107f8245290a5a42c3d356acd.png)
(3)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/225c0723cc3e08112fde8a02051997d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67773fec32900d1042502c439ac3d70d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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名校
5 . 抛物线
(a,b,c是常数,
)经过
,
,
三点,且
.下面正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75807858b7804a1ad2039c41f323a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c832f2474efe89961ef41e884da7660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b67c623950b5795d5fb4daeb8102a8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae3a88c614758672f5d2f2149236476.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
A.![]() |
B.![]() |
C.当![]() ![]() ![]() |
D.若关于x的一元二次方程![]() ![]() |
您最近一年使用:0次
6 . 在平面内,P,Q为线段AB外的两点,若以A,B,P,Q为顶点的四边形为矩形,则称P(或Q)为线段AB的“矩形关联点”.特别地,当该四边形为正方形时,称P(或Q)为线段AB的“正方形关联点”.
(1)在平面直角坐标系xOy中,点A的坐标为
,点B的坐标为
,若有点
,
,
,
,则其中:
①不是线段AB的“矩形关联点”的是 ;
②是线段AB的“正方形关联点”的是 ;
(2)如图①,在平面直角坐标系xOy中,点A,B的坐标分别为
,
,连接AB.若F是线段AB的“矩形关联点”,且点F在直线l:
上,求点F的坐标;
(3)如图②,在平面直角坐标系xOy中,已知点
,
,连接AB.点M的坐标为
,
的半径为1,试判断
上是否存在线段AB的“正方形关联点”,且使线段AB恰为正方形的对角线.若存在,请求出点M的横坐标a的取值范围;若不存在,请说明理由.
(1)在平面直角坐标系xOy中,点A的坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d591091748b2622b84ad57f1f7ee11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc67874b4cb2d056bd94c625b80985e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ed07af111a952bd21f86d92d48ab8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35236ea311b7a8c0a85456d05d890f52.png)
①不是线段AB的“矩形关联点”的是 ;
②是线段AB的“正方形关联点”的是 ;
(2)如图①,在平面直角坐标系xOy中,点A,B的坐标分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c3a2f5b0702ea9fbb9dc8904579737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ac26e96e88e534c9e868452d5082ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/24/a085299e-3fdc-4411-a1c3-90b0c91d06d4.png?resizew=108)
(3)如图②,在平面直角坐标系xOy中,已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d4def6118ab6cb1e4b8134a1a153ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93842cf36b1107534c3904d18ba3ae5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237af55c09b6bab548d3e321e2456413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/24/509264fb-b91a-4f30-aba7-5c56508f3e29.png?resizew=122)
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7 . 在平面直角坐标系xOy中的图形M,N,给出如下定义:P为图形M上任意一点,Q为图形N上任意一点,如果P,Q两点间的距离有最小值,那么称这个最小值为图形M,N间的“闭距离”,记作
.
已知点
,
,
.
(1)求
(点O,
);
(2)记函数
(
,
)的图象为
,若
,求
的取值范围;
(3)
的圆心
,半径为1.若
(
,
)
,请直接写出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f513553d63e9c87a70dd6aa57f97b1.png)
已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f9be1cac51ead8c6afedbd3b1685dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292dd14f24b8392e499c328c1ca82f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/362f91c4d7d9907787be84bb34bc4628.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6343069217cd6d8dd32446da428dae46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35504def6b926bb1e4baa4bac51523e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9347ab0d001ed7e8f51f9886ce88ac64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468ec9c43d2d76fbba144744268f125f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9347ab0d001ed7e8f51f9886ce88ac64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90bae886c8ab958aa4c693bf8e0627d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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8 . 如图,将菱形纸片ABCD沿过点A的直线折叠,点C,D的对应点分别是
,且
,折痕AP交BC于点P.若
,
,则PC的长等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c37547156910f5307b8a0c496909f92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032b12244133a814fe29c3e781046695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4d00b86b2f067b902baf6e52f0faab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/17/33c93223-1736-4d0e-86ba-86cd74827cf1.png?resizew=213)
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9 . 抛物线
与x轴交于
,
两点,与y轴交于点C,直线
经过点B.点P在抛物线上,设点P的横坐标为m.
(1)求抛物线的表达式和
的值;
(2)如图1,连接AC,AP,PC,若△APC是以CP为斜边的直角三角形,求点P的坐标;
(3)如图2,若点P在直线BC上方的抛物线上,过点P作PQ⊥BC,垂足为Q,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40cdd28d8a7f857835dabdf14880bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5634528ca133fee203004bbc4789fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bda45b7f565147f18a5c83bb8a23142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2617bc966d043c68fb601ebb815b4f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/16/053546cc-f746-4e89-bd9d-5fc87c7323fa.png?resizew=259)
(1)求抛物线的表达式和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed0b65d9e19c2dd79eb60dabf76ee31.png)
(2)如图1,连接AC,AP,PC,若△APC是以CP为斜边的直角三角形,求点P的坐标;
(3)如图2,若点P在直线BC上方的抛物线上,过点P作PQ⊥BC,垂足为Q,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841af1fa47393552ec6807526c8e5308.png)
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10 . 某数学兴趣小组运用《几何画板》软件探究
型抛物线图象.发现:如图1所示,该类型图象上任意一点M到定点
的距离
,始终等于它到定直线
上的距离
(该结论不需要证明),他们称:定点F为图象的焦点,定直线l为图象的准线,
叫做抛物线的准线方程.其中原点O为
的中点,
例如,抛物线
,其焦点坐标为
,准线方程为
.其中
.
(1)【基础训练】请分别直接写出抛物线
的焦点坐标和准线l的方程;
(2)【技能训练】如图2所示,已知抛物线
上一点P到准线l的距离为6,求点P的坐标;
(3)【能力提升】如图3所示,已知过抛物线
的焦点F的直线依次交抛物线及准线l于点
,若
求a的值;
(4)【拓展升华】古希腊数学家欧多克索斯在深入研究比例理论时,提出了分线段的“中末比”问题:点C将一条线段
分为两段
和
,使得其中较长一段
是全线段
与另一段
的比例中项,即满足:
,后人把
这个数称为“黄金分割”,把点C称为线段
的黄金分割点.如图4所示,抛物线
的焦点
,准线l与y轴交于点
,E为线段
的黄金分割点,点M为y轴左侧的抛物线上一点.当
时,求出
的面积值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45848d377cad2507fe6846d0882005e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1902e0111df0c03db02b5b44de18d020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8aed33984ccc91282d8a1c2be27cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7be4f48d2f5b404bc554ce3ce26f2b8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4418c0618a712877287ca49a222c07f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b513c9a9f66302b497b46e5066f3ef03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aafae84e7fe39dc5b694c39405201d32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004cf3e8335136acc770de0c525cae47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5414f69b3282754397a185003db125a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0cfa5ca97d21f418606d449ab48540.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/9/c720cb40-587d-44b2-9b7e-17d573d2f9b8.png?resizew=606)
(1)【基础训练】请分别直接写出抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108c18cb76d7d34b05c991a644c8b136.png)
(2)【技能训练】如图2所示,已知抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce21531a886c50568b75fd4278f15dcf.png)
(3)【能力提升】如图3所示,已知过抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45848d377cad2507fe6846d0882005e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa1359e6a95a7b27d60eeafd9df9d07.png)
(4)【拓展升华】古希腊数学家欧多克索斯在深入研究比例理论时,提出了分线段的“中末比”问题:点C将一条线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85dfed575260fb066685a46ce7d91f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029d393bb07b7140905b85f550519de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48f28aeccf369df5980ac787e9e313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5421a28dc3675ae20190d6090793246e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9dbb54aea6f3f59305b5c679f59bd08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b95463a97c60db3250cb641bf6523d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18ef18bd82c318d5fd8d8b0d2853d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53c3845e91e9acad98b73fb4adc2d9f.png)
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