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解题方法
1 . “二进制”来源于我国古代的《易经》,二进制数由数字0和1组成,比如:二进制数
化为十进制的计算公式如下
,若从二进制数
、
、
、
中任选一个数字,则二进制数所对应的十进制数大于2的概率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0348d8ad00322b49274bdd54285d4ab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5c4780495ee8433b5f6f9cca2d48f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5410b1071958ee8fe1f32e36df307f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ffec56d71cc55e2b0e7c377d358595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522da5c3569d5313e982b51064438926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c820dcfa9f6ae30261140246f7bdf2be.png)
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2023-03-13更新
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2卷引用:陕西省西安市第三中学2022-2023学年高二下学期期中理科数学试题
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2 . 设2134与1455的最大公约数为
,则
化为三进制为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-11-05更新
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555次组卷
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2卷引用:陕西省西安市西北工业大学附属中学2021-2022学年高二上学期9月月考理科数学试题
3 . 秦九韶是我国古代的数学家,他的《数书九章》概括了宋元时期中国传统数学的主要成就.秦九韶算法是一种将一元
次多项式的求值问题转化为
个一次式的算法,其大大简化了计算过程,即使在现代,利用计算机解决多项式的求值问题时,秦九韶算法依然是最优的算法,在西方被称作霍纳算法.
.
改写成以下形式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251306650fdd855a04dcd1697e5d73ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1becdd85d104087f756343a7e1f2d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01459706491f50adb30bc0a15117d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878575086ed72159d981a7b83a50fa9a.png)
若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0278d01ef8bfd9a8bf5e3065baa0ef.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251306650fdd855a04dcd1697e5d73ef.png)
改写成以下形式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251306650fdd855a04dcd1697e5d73ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1becdd85d104087f756343a7e1f2d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01459706491f50adb30bc0a15117d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878575086ed72159d981a7b83a50fa9a.png)
若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72c2c59b4a62e83612ae858f09a18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0278d01ef8bfd9a8bf5e3065baa0ef.png)
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2020-01-30更新
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4卷引用:2020届陕西省咸阳市高三上学期期末考试数学(文)试题
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4 . 用秦九韶算法求多项式
在
时的值时,
的值 为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f0c8aa742025f020d97332029d2b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d2b01f86fb5a373af6b089cf3d891b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f510eeea32bb1a475a75f4783d917c71.png)
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2017-10-22更新
|
703次组卷
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2卷引用:陕西省黄陵中学高新部2017-2018学年高二上学期期末考试数学试题