1 . 为了给地球减负,提高资源利用率,2020年全国掀起了垃圾分类的热潮,垃圾分类已经成为新时尚,假设某市2020年全年用于垃圾分类的资金为5000万元,在此基础上,每年投入的资金比上一年增长
,则该市全年用于垃圾分类的资金开始超过1.28亿元的年份是( )(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9fd62e62750b30638385031737f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c95cbd053ddfce0805d415ce79e83d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b601d616b0e8fef3783b9b8d0e9c8c03.png)
A.2023年 | B.2024年 | C.2025年 | D.2026年 |
您最近一年使用:0次
解题方法
2 . 解关于x的不等式:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a923de6f0bfb8bd90ade1a5ebf3cda.png)
(2)已知
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a923de6f0bfb8bd90ade1a5ebf3cda.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f259d31f5906c43ac1ec4cc9e94cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460f2ced8eb43b8560e865b1de333079.png)
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3 .
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b3bd3713d7555ad836d01115940ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d1ce3ad14256b1543e6007ff1675d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
2023-12-29更新
|
169次组卷
|
2卷引用:山东省名校考试联盟2023-2024学年高一上学期12月阶段性检测数学试题
名校
4 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5246c0573617c2640c1f8f326564e43.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69885aba47fdeb4aa4f82400cafc250.png)
您最近一年使用:0次
名校
5 . 已知
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f89ce1b22c3d11b0e54b7fefadf15f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f52bbd3014f66c79ede6ed6a5379da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6d4d2f4e721871d544cefccb1c6ef8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
您最近一年使用:0次
2023-12-29更新
|
192次组卷
|
2卷引用:河北省石家庄市第二中学本部2023-2024学年高一12月月考数学试卷
名校
6 . (1)计算
;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e082613b986c818ba80f8a25424b37c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb46f2d5d88b0a8a456cb89acad6539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/303f67f6d5a3f50d5a54839815c4a1fd.png)
您最近一年使用:0次
2023-12-29更新
|
769次组卷
|
2卷引用:四川省成都石室中学2023-2024学年高一上学期期中考试数学试题
名校
7 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e5fee95335956a9c4b05ea760cc886.png)
__________ .(结果用
,
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce9c080be9a3dba82bee3a6f9dabfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646bb054d4464c8709beb70852692214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e5fee95335956a9c4b05ea760cc886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
8 . (1)计算:
;
(2)解方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec911ac454543cdc836eb64583d7e0dd.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13894ed8b2ab37128e489701ded22d2b.png)
您最近一年使用:0次
名校
9 . (1)计算:
;
(2)已知
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b3f70f30c90e6c3a04c30549d7f7f3.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43be59448c9a41edd3b0fc1888dd23b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f00f997ae12c30f551adb834e1d7ef8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
10 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230a415c9ce211741766deef4608ebb7.png)
________ .(用
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a7dbc3f8529f74a0e2efb97f838d6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230a415c9ce211741766deef4608ebb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
您最近一年使用:0次