已知
,则
的大小关系为__________ .(用“<”号表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d4ad62861c19f26d3909d948a7d7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
更新时间:2024-05-24 15:39:40
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【推荐1】比较两数大小:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98b7da8a1857b8c31cff237dfc79ff.png)
_____
(在横线处填“>”或“=”或“<”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98b7da8a1857b8c31cff237dfc79ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8621872bf68d197e2f8bdc6d7d833f93.png)
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【推荐2】已知
,
,
,则a,b,c三者的大小关系______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea7f7ccaad9374f0ea2cc344905ca32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea02473db63a5ac57372d00d4b38ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af4a71014dcc40c7d9c17e6a841d356.png)
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【推荐1】如图,在棱长为2的正方体
中,点
分别为棱
的中点,以A为圆心,1为半径,分别在面
和面
内作弧
和
,并将两弧各六等分,分点依次为
,
以及
.一只蚂蚁欲从点
出发,沿正方体的表面爬行至
则其爬行的最短距离为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9ba90b720518d70eb4d365b2afaeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92178a5c6a76586292f622da298a8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d8e33929752b1cb4dd36ee9b98b45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f51a2496a02a1dec3caff9da3d9237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2bebb64ea85990628aff87d9bb30f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49922ee27835fd8f613ff5ca152cdcea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e010bff3a084d00aabfb499935b3543.png)
![](https://img.xkw.com/dksih/QBM/2022/4/15/2958639402565632/2965829829115904/STEM/808bd356-a2d1-4741-80de-6138bc729ba2.png?resizew=173)
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【推荐2】给出下列命题:
①
是奇函数;
②若
是第一象限角,且
,则
;
③函数
的一个对称中心是
;
④函数
的图象向左平移
个单位,得到函数
的图象,
其中正确命题的序号是____________ (把正确命题的序号都填上).
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb675a8aebb533d481b36aca6b3d92a3.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c61cfbfd3bf888856b7dc9b2a84c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8966fbcbd107e23bdc4ada8cf3b67af3.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25964d0e2f40b899620aac77d71caa1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ab55dcfc57c73606a32339a77f3869.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325f9e2f7784ebdd64292e805884dfa9.png)
![](https://img.xkw.com/dksih/QBM/2011/7/12/1570255702491136/1570255707701248/STEM/5ab6a68687b44ad899f150b151fa0d8d.png?resizew=17)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d029313f754a8efcc6dfd40d190fa6.png)
其中正确命题的序号是
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【推荐1】在下列四个命题中:
①在区间
内随机取两个实数x、y,则满足
的概率为
;
②设m、n是两条不同的直线,
、
是两个不同的平面,则命题“若m//
,n//
,则
//
”是真命题;
③圆
上到直线3x+4y-11=0的距离等于1的点的个数有3个;
④已知函数f(x)是定义在R上的偶函数,且当
时,函数f(x)是单调递减函数.若
,
,
,则b<a<c.
正确命题的序号是___________ .
①在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd6c5e96484321e418685bc62604362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31be061934b377c6aaa58bf319d64624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357821e0e5595eaf3028df63d47b2c58.png)
②设m、n是两条不同的直线,
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
③圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c557eb985eab63fd928c323c03982e.png)
④已知函数f(x)是定义在R上的偶函数,且当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757e1b6ee1ce5c1cc2d3b077830ddc99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a0e17ac59583b5213e3a58232210d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850809471112698b0eee9d18eea61e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c3c5b15ee3e9b871348d8b6abc78c8.png)
正确命题的序号是
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【推荐2】已知
,
,
,则
的大小关系为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce86c02d2a08bdb5be734ab7619300d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a98a247cd5eb6c81ea7bf0cbfb21c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f492b2902bb1b866a1472017b1b7585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13a05f5aca98574bb1f927123490de4.png)
您最近一年使用:0次
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解题方法
【推荐1】已知定义在R上的函数
的导函数为
,且满足
,若
,则
的大小关系为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5070a3f117954fbe78131e09ff9e83b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5132a6849bf7d858a91ac5d430fd843c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
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【推荐2】已知
是定义在R上的偶函数,且在
上单调递增.若
,
,
,则a,b,c的大小关系为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0e90fa582b00ac7ad866341bdf76be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265b142e26456fa8d5f4f36b503c6111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea83725a22b0833d450117c4f0935a51.png)
您最近一年使用:0次