20-21高一·江苏·课后作业
1 . 证明下面的结论:
(1)如果
,
,且
,那么
;
(2)如果
,
,那么
;
(3)如果
,
,那么
;
(4)如果
,
,
,那么
.
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44cbc322861846709c08c7f1da746848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f50ce6b511e6b928796e048fc7fa5c.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e271b6e63206285461a7552d11efd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f50ce6b511e6b928796e048fc7fa5c.png)
(3)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d89ab55ffb93cc48f077b542dbd25aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86f39f99ebfadbe8d8b7dd2b08476a25.png)
(4)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d89ab55ffb93cc48f077b542dbd25aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f93dcad997a94b38329bd3cfb48962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b401efefaa63cfdb2129fbe399e0a8f.png)
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20-21高一·江苏·课后作业
解题方法
2 . 已知
,比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aafedced579321bd0c286c9199e2e0ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967dcd74f8fe443f9765b88d7ad47056.png)
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20-21高一·江苏·课后作业
解题方法
3 . 已知
,比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c09ed5474dcf42421fce143de2711e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8dcbe0878a649ce2c86c4c612dc5007.png)
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20-21高一·江苏·课后作业
4 . 已知
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f7c54faca6eac8af5309942062058d.png)
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20-21高一·江苏·课后作业
解题方法
5 . 已知
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ada798eeba5bd19d497bfd0741afd00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4a8ffa80d00ef77c53c9853e3c6e7d.png)
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20-21高一·江苏·课后作业
解题方法
6 . 比较两代数式
与
的大小
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22caf3fad5a8e07967b9eb2852deb65a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b5db08fcb38f483bb0bd0ad448169f.png)
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20-21高一·江苏·课后作业
7 . 回答下列问题,并说明理由.
(1)由
,能否得到
?
(2)由
,
,能否得到
?
(3)由
,
,能否得到
?
(1)由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
(2)由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44cbc322861846709c08c7f1da746848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/125415eb6733489cdc96ee48eb88aee7.png)
(3)由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44cbc322861846709c08c7f1da746848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f50ce6b511e6b928796e048fc7fa5c.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
解题方法
8 . 比较两数
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e6b4b32ce4dc747f2a0b95e272cbc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a5b591b27634988aa21b868c17e846.png)
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20-21高一·江苏·课后作业
9 . 已知
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf7adcc976209d4b686156120bea276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/125415eb6733489cdc96ee48eb88aee7.png)
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2021-10-30更新
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328次组卷
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4卷引用:3.1 不等式的基本性质
(已下线)3.1 不等式的基本性质(已下线)2.1 等式性质与不等式性质精讲-【题型分类归纳】苏教版(2019)必修第一册课本例题3.1 不等式的基本性质湘教版(2019)必修第一册课本习题2.1.1等式与不等式