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wzxsjz Post time 2015-12-15 10:10 |Read mode
本帖最后由 wzxsjz 于 2015-12-28 16:16 编辑 有12个球,其中一个另类重量不同,用一架天平是无砝码的,三次找出另类。这题是哪个省的竞赛题?

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 Author| wzxsjz Post time 2015-12-28 09:21
不是预赛题?

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wenshengli Post time 2015-12-28 09:31
回复 1# wzxsjz

好像是自主招生面试题目

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 Author| wzxsjz Post time 2015-12-28 16:13
谢谢,您印象中是那个学校的?

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 Author| wzxsjz Post time 2015-12-30 10:19
我想看看是怎么做得到,谢谢您!

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游客 Post time 2015-12-30 10:37
第一次552,第二次221,第三次11。

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战巡 Post time 2016-1-4 17:50
回复 5# wzxsjz

这都老掉牙的题目了...
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 Author| wzxsjz Post time 2016-1-6 10:54
是老了点,那就一般化,谢谢二位的帮助!

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kuing Post time 2016-1-6 14:40
回复 8# wzxsjz

百度搜索 称球问题

手机版|悠闲数学娱乐论坛(第3版)

2025-3-6 17:41 GMT+8

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