(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53202ca0846889733c2829956067f451.png)
(2)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dbe88c4e3cae89e997f8d1e2c11292.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53202ca0846889733c2829956067f451.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dbe88c4e3cae89e997f8d1e2c11292.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85477db78f14b17093cfc4a93831c56f.png)
更新时间:2020-11-03 21:35:30
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【推荐2】第十四届国际数学教育大会(
)会徽的主题图案有着丰富的数学元素,展现了我国古代数学的文化魅力,其右下方的“卦”是用我国古代的计数符号写出的八进制数3745.八进制是以8作为进位基数的数字系统,有0~7共8个基本数字.八进制数3745换算成十进制数是
,表示
的举办年份.
(1)八进制数3744换算成十进制数是______;
(2)小华设计了一个
进制数
,换算成十进制数是
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794c719a66e4921bde9c07fc63254e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a393909b6a713812544c7c8336306b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794c719a66e4921bde9c07fc63254e07.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/22/3cb5c8d9-200b-4de0-9e52-7d3391b0e526.png?resizew=162)
(1)八进制数3744换算成十进制数是______;
(2)小华设计了一个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bc81fc7694469587b73531b049bfe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a7e88f51acac15560e7c88d221017d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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