已知m为正整数,若
是整数,则根据
可知m有最小值
.设n为正整数,若
是大于1的整数,则n的最小值为_______ ,最大值为______ ,
的小数部分为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa11a3732df760afa89fe9c963600ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0531adf38fe29a1f38ee8b30e31aec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b81c5c96453fb0b73cdc1b9a6642ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7d863ddd19ef0da816e9c016a8898a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c926bb8bd179464b80b6d548f75aa0e4.png)
更新时间:2024-04-18 20:53:28
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【推荐2】设5-
的整数部分为
,小数部分为
,则
的值为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
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【推荐1】已知:
;
;
;
…如果n是大于1的正整数,那么请用含n的式子表示你发现的规律_______ .
![](https://img.xkw.com/dksih/QBM/2014/5/6/1573725031915520/1573725038059520/STEM/a537a467997b482ab8ebf0168c66257a.png?resizew=83)
![](https://img.xkw.com/dksih/QBM/2014/5/6/1573725031915520/1573725038059520/STEM/b39867e18f2544ceb89c739b45c3fe9f.png?resizew=79)
![](https://img.xkw.com/dksih/QBM/2014/5/6/1573725031915520/1573725038059520/STEM/51a52519dcb243a4afacbb03c414afff.png?resizew=96)
![](https://img.xkw.com/dksih/QBM/2014/5/6/1573725031915520/1573725038059520/STEM/79b32bef141444a8900d5d421ef90baa.png?resizew=98)
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【推荐2】如图,在矩形ABCD中,AB=6,AD=2,E、F分别是AB和DC上的两个动点,M为BC的中点,则DE+EF+FM的最小值是_____ ;若∠EFD=45°,则DE+EF+FM的最小值为____
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/13/a3ecfd24-edb4-47ac-86c0-61cc531b26ff.png?resizew=243)
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名校
【推荐2】观察下列等式:
第1个等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03bfe30380decb4ba3f9a6b0598ed922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e726eee320fc79df3e70fb23352f947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
,
第
个等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03bfe30380decb4ba3f9a6b0598ed922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f36a88d531ba911543cce97aa5e87a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
,
第
个等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03bfe30380decb4ba3f9a6b0598ed922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77bfd7913f53735141070e53ce7b4963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8919d9fcb6521f50827183892fa801f4.png)
,
第
个等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03bfe30380decb4ba3f9a6b0598ed922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37aa26f415e8f3b3d971942725f9f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
,
…
按上述规律,计算![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44730d51dd8e80e88dd7ee78d12c5eab.png)
___________ .
第1个等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03bfe30380decb4ba3f9a6b0598ed922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e726eee320fc79df3e70fb23352f947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03bfe30380decb4ba3f9a6b0598ed922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f36a88d531ba911543cce97aa5e87a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53204688086b1d0111e91cb49fa0ac61.png)
第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03bfe30380decb4ba3f9a6b0598ed922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77bfd7913f53735141070e53ce7b4963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8919d9fcb6521f50827183892fa801f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03bfe30380decb4ba3f9a6b0598ed922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37aa26f415e8f3b3d971942725f9f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
…
按上述规律,计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44730d51dd8e80e88dd7ee78d12c5eab.png)
您最近一年使用:0次