(1)已知
,证明:
;
(2)已知
,试比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7a64efbdfc9c63c81b829f0ca676de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541e2b075f78708474aa42d88bf47dd1.png)
更新时间:2023-11-14 11:05:40
|
【知识点】 作差法比较代数式的大小解读
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
【推荐1】已知a>0,b>0,且a≠b,比较
与a+b的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a10447baa17b86ca58be2b03197fd55.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】已知
,且
,
,比较
和
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66eba129d92ede31b728e2590c4db2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b51c43ac3a5c6fd01aa17302af615b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd49678ac870a4861a465c5150e6ac0.png)
您最近一年使用:0次