名校
1 . 为了培养学生的数学建模和应用能力,某校组织了一次实地测量活动,如图,假设待测量的树木
的高度
,垂直放置的标杆
的高度
,仰角
三点共线),试根据上述测量方案,回答如下问题:
(1)若测得
,试求
的值;
(2)经过分析若干测得的数据后,大家一致认为适当调整标杆到树木的距离
(单位:)使
与
之差较大时,可以提高测量的精确度,.若树木的实际高为
,试问
为多少时,
最大?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f79d7939c88e9702962e5917cad290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5922f9b5406a4857744c30348740a4b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7cd83e17de55b813146ec1b2dcd730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d93280f0604007ef539d392325f3c5e.png)
(1)若测得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2fa7198aafc8901ae5022651da12dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
(2)经过分析若干测得的数据后,大家一致认为适当调整标杆到树木的距离
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c59b14235ee9b4651047e7d57f65955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f70dacf39de75e7a9f7081f646013a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/16/0914541a-1eaa-481d-9519-bb64def71b1a.png?resizew=207)
您最近一年使用:0次
2018-11-18更新
|
591次组卷
|
3卷引用:【全国百强校】福建省厦门外国语学校2018-2019学年高二上学期期中考试数学(文)试题
2 . 如图,单位圆
与
轴正半轴相交于点
,圆
上的动点
从点
出发沿逆时针旋转一周回到点
,设
(
),
的面积为
(当
三点共线时,
),
与
的函数关系如图所示的程序框图.
(1)写出程序框图中①②处的函数关系式;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/2e3a4b66-baeb-496b-ae68-a40ed1d108a6.png?resizew=338)
(2)若输出的
值为
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5e9f2a3b112471417b8de2cbb36823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25424690055eb5e049d523804bbd9614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45b8b000c9c286bff8a480dbf03b513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2665479c5fb12e1e728716a30a219c27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)写出程序框图中①②处的函数关系式;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/2e3a4b66-baeb-496b-ae68-a40ed1d108a6.png?resizew=338)
(2)若输出的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
名校
解题方法
3 . 如图,某污水处理厂要在一个矩形
的池底水平铺设污水净化管道(直角
,E是直角顶点)来处理污水,管道越长,污水净化的效果越好.设计要求管道的接口E是
的中点,F,G分别落在
,
上,且
,
,设
.
![](https://img.xkw.com/dksih/QBM/2020/2/10/2396177401389056/2396570188849152/STEM/cbada9268da344c69f0b4abf6bfa7acc.png?resizew=152)
(1)当
为何值时,
的面积S最小,并求出最小值;
(2)试将污水管道的长度
表示成
的函数,并写出定义域;
(3)当
为何值时,污水净化的效果最好,并求此时管道
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9756177ef0c7c685e0fc62077a1cd4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5eb3baad4f5d8ad3bbe0d95c23e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8f4f1a997d0a2cbd4bff0bf4856dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d45484f1225c59b76f2cc21207ad5c2.png)
![](https://img.xkw.com/dksih/QBM/2020/2/10/2396177401389056/2396570188849152/STEM/cbada9268da344c69f0b4abf6bfa7acc.png?resizew=152)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9756177ef0c7c685e0fc62077a1cd4e.png)
(2)试将污水管道的长度
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2018高一下·全国·专题练习
名校
4 . 如图是一个缆车示意图,该缆车的半径为4.8 m,圆上最低点与地面的距离为0.8 m,缆车每60 s转动一圈,图中OA与地面垂直,以OA为始边,逆时针转动θ角到OB,设B点与地面的距离为h m.
(1)求h与θ之间的函数解析式;
(2)设从OA开始转动,经过t s达到OB,求h与t之间的函数解析式,并计算经过45 s后缆车距离地面的高度.
(1)求h与θ之间的函数解析式;
(2)设从OA开始转动,经过t s达到OB,求h与t之间的函数解析式,并计算经过45 s后缆车距离地面的高度.
![](https://img.xkw.com/dksih/QBM/2019/4/29/2192899254394880/2193824114253824/STEM/f8ab4a9478524b07bf2676145012fbd0.png?resizew=181)
您最近一年使用:0次
5 . 如图,在P地正西方向16km的A处和正东方向2km的B处各一条正北方向的公路AC和BD,现计划在AC和BD路边各修建一个物流中心E和F.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/52c88c40-405c-49a7-9a31-7e8d47208270.png?resizew=189)
(1)若在P处看E,F的视角
,在B处看E测得
,求AE,BF;
(2)为缓解交通压力,决定修建两条互相垂直的公路PE和PF,设
,公路PF的每千米建设成本为a万元,公路PE的每千米建设成本为8a万元.为节省建设成本,试确定E,F的位置,使公路的总建设成本最小.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/52c88c40-405c-49a7-9a31-7e8d47208270.png?resizew=189)
(1)若在P处看E,F的视角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56762ae1533ff0f2ef8b9db154cb2ef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3783ed9a7d67f4a30bd76d369555d6.png)
(2)为缓解交通压力,决定修建两条互相垂直的公路PE和PF,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd2259f4e2d30b6a25c85853176ae98e.png)
您最近一年使用:0次
名校
6 . 某城市为配合国家“一带一路”倡议,发展城市旅游经济,拟在景观河道的两侧,沿河岸直线
与
修建景观(桥),如图所示,河道为东西方向,现要在矩形区域
内沿直线将
与
接通.已知
,
,河道两侧的景观道路修复费用为每米
万元,架设在河道上方的景观桥
部分的修建费用为每米
万元.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/3e304467-6d51-4bef-b638-ddf1dcdc8673.png?resizew=180)
(1)若景观桥长
时,求桥与河道所成角的大小;
(2)如何景观桥
的位置,使矩形区域
内的总修建费用最低?最低总造价是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a42eb49692bc89261738fd0c85e4d17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c94a8554e83a5968dae153ff323916b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/3e304467-6d51-4bef-b638-ddf1dcdc8673.png?resizew=180)
(1)若景观桥长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c629d82318592d6d29ab400c4d3748e1.png)
(2)如何景观桥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
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解题方法
7 . 某景区拟将一半径为
的半圆形绿地改建为等腰梯形
(如图,其中
为圆心,点
在半圆上)的放养观赏鱼的鱼池,周围四边建成观鱼长廊(宽度忽略不计).设
,鱼池面积为
(单位:
).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/6ca14eb4-291e-403e-8eff-f89d56d761a3.png?resizew=139)
(1)求S关于
的函数表达式,并求鱼池面积何时最大;
(2)已知鱼池造价为每平方米2000元,长廊造价为每米3000元,问此次改建的最高造价不超过多少?(取
计算)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3eb9b39420dfcf48e341125d8b629a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11db4b9921a9fe4d5c03b17bafc852fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d7b4bb12628d5ed455d814b8aafa1f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/6ca14eb4-291e-403e-8eff-f89d56d761a3.png?resizew=139)
(1)求S关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)已知鱼池造价为每平方米2000元,长廊造价为每米3000元,问此次改建的最高造价不超过多少?(取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a7ff6bb8000946da9599d7d903ac9a.png)
您最近一年使用:0次
8 . 如图,在一条景观道的一端有一个半径为
米的圆形摩天轮O,逆时针
分钟转一圈,从
处进入摩天轮的座舱,
垂直于地面
,在距离
处
米处设置了一个望远镜
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/907ece57-fea0-48ec-bdab-eecf8d8481cb.png?resizew=237)
(1)同学甲打算独自乘坐摩天轮,但是其母亲不放心,于是约定在登上摩天轮座舱
分钟后,在座舱内向其母亲挥手致意,而其母亲则在望远镜
中仔细观看.问望远镜
的仰角
应调整为多少度?(精确到1度)
(2)在同学甲向其母亲挥手致意的同时,同一座舱的另一名乘客乙在拍摄地面上的一条绿化带
,发现取景的视角
恰为
,求绿化带
的长度(精确到1米)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6f1af4b44b2e97e8f319bab4ae9010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b184c94e38f1e5dbe750b2168c2a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7afc6e67a875ed2eb889e950a77715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/907ece57-fea0-48ec-bdab-eecf8d8481cb.png?resizew=237)
(1)同学甲打算独自乘坐摩天轮,但是其母亲不放心,于是约定在登上摩天轮座舱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)在同学甲向其母亲挥手致意的同时,同一座舱的另一名乘客乙在拍摄地面上的一条绿化带
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
2020-02-01更新
|
265次组卷
|
2卷引用:2016届上海市杨浦区高三上学期期末“3+1”质量调研(文)数学试题
名校
9 . 某校有一块圆心
,半径为200米,圆心角为
的扇形绿地
,半径
的中点分别为
,
为弧
上的一点,设
,如下图所示,拟准备两套方案对该绿地再利用.
(1)方案一:将四边形绿地
建成观赏鱼池,其面积记为
,试将
表示为关于
的函数关系式,并求
为何值时,
取得最大?
(2)方案二:将弧
和线段
围成区域建成活动场地,其面积记为
,试将
表示为关于
的函数关系式;并求
为何值时,
取得最大?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6c71a0da6a878a5b12bf8a8e784645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/139c0ae68e597571ba72ef727fa9222c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97eb01256e332c3967c7102e3724a08d.png)
(1)方案一:将四边形绿地
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2cf7996e3462e9791940885d3a5563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
(2)方案二:将弧
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d8d3e45be1f858b4f4c233d9b2aca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/8/f453c5eb-b90c-48bb-9682-752f352a0a8f.png?resizew=154)
您最近一年使用:0次
2017-10-11更新
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805次组卷
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6卷引用:江苏省镇江市高三10月月考数学文科试题
名校
10 . 如图是一座斜拉索桥梁的简图,钢索
看作线段
与桥面BC所成角
为
,其中
,钢索AC与桥面BC所成角
为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ef3906b52542c58702dd4ba3dd98c2.png)
若
,求斜拉索AB与AC所成角
的余弦值;
若点A到桥面BC的距离AD为30米
记
,桥面BC长度为y,求y关于x的函数解析式,并计算
时,BC的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61d92de0317d51da349ec70837f0c624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a29414d4c7eefc0a2206ddb79e7717f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b901461d430f062ed175ebbd0e7405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80f363ca1bd4a319cd98f7b58c8423b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ef3906b52542c58702dd4ba3dd98c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b000a623ec07f755417524710725b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a885d394879ddd52b06e576768e54988.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb8651598c5da10c14f3db958e8b6db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5cba06a0d4ddbfd44a6e26f2ce5b5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/05816d40-3c18-4620-89a3-51d732dc214d.png?resizew=202)
您最近一年使用:0次
2019-02-17更新
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422次组卷
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2卷引用:【市级联考】四川省资阳市2018-2019学年高一(上)期末考试数学试题