化简:
(1)
;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b478162e3381a4817e28c884fc4f56.png)
;
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc529bcffa871a6bad5f8427eb989f9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b478162e3381a4817e28c884fc4f56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5ad520c4c73cf5ee4d0c66eff51fac.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2568c7bf182da6fb1cb1c18d3fc86f.png)
2023高一·江苏·专题练习 查看更多[1]
(已下线)第四章 指数与对数(知识归纳+题型突破)-速记·巧练(苏教版2019必修第一册)
更新时间:2023-10-26 19:58:01
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解答题-问答题
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容易
(0.94)
名校
【推荐1】(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b980a6a0f8fd5a957034a5291207bbe7.png)
(2)若关于
的方程
没有实数根,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b980a6a0f8fd5a957034a5291207bbe7.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa18a8752b6023da8fdf4a418f249ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解答题-应用题
|
容易
(0.94)
【推荐2】一台价值
万元的新机床,投入使用后,每年的折旧率是
,
年后这台机床的价值约为多少万元?(保留到小数点后第
位)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efba7147f5b9ced8bc4a72f0a9fb8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efeae5cbf4a1bd1f91547dfe99604ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7f27ebcef70a3ebbbe8d2e53ea0896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
您最近一年使用:0次