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八进制下1/7化成小数是多少

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isee posted 2016-8-27 17:18 |Read mode
Rt.

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色k posted 2016-8-27 17:49
$1/8+1/8^2+1/8^3+\cdots=1/7$,所以就是 $(0.111\cdots)_8$ 吧?

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original poster isee posted 2016-8-27 19:45
$1/8+1/8^2+1/8^3+\cdots=1/7$,所以就是 $(0.111\cdots)_8$ 吧?
色k 发表于 2016-8-27 17:49

    正是由此和而想到的题。。。。。

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kuing posted 2016-8-27 20:00
回复 3# isee

那如果是 1/6 呢?

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original poster isee posted 2016-8-27 20:50
回复  isee

那如果是 1/6 呢?
kuing 发表于 2016-8-27 20:00
$(0.1\dot2\dot5)_8$

应该是它。

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其妙 posted 2016-9-11 19:06
回复  isee

那如果是 1/6 呢?
kuing 发表于 2016-8-27 20:00
应该问:7进制下1/6化成小数是多少

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kuing posted 2016-9-11 19:20
回复 6# 其妙

那与1楼就同理了,没必要问了吧……

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