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查看: 1181|回复: 4
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Have a break,来些简单数学题。
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CALＣＵＬＡTORS IS FORBIDDEN!!!!!!!
限时3分钟一题。
(1)You could buy white elephant or 99 wild geese for the same amount of money.
Today, the price of white elephant has fallen by 10% and the price of a wild
goose has risen by 10%.How many wild geese are now worth the same as one
elapahnt???
(2)The cards in a set of 36 are numbered 1 to 36.The cards are shuffered and 4 cards
are dealt.What are the chances of them being dealt in descending order??? |
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发表于 13-10-2004 03:57 PM
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发表于 13-10-2004 11:20 PM
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(1)You could buy white elephant or 99 wild geese for the same amount of money.
Today, the price of white elephant has fallen by 10% and the price of a wild
goose has risen by 10%.How many wild geese are now worth the same as one
elapahnt???
81??
(2)The cards in a set of 36 are numbered 1 to 36.The cards are shuffered and 4 cards
are dealt.What are the chances of them being dealt in descending order???
1/4??
以上答案是在你的限定时间内草草了事的。。。对否？？
另外，请用中文发表！！ |
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楼主 |
发表于 14-10-2004 06:50 AM
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1/4??
以上答案是在你的限定时间内草草了事的。。。对否？？
另外，请用中文发表！！ [/quote]
第二题不对。
是1/24
翻译到英文太麻烦了。
下次吧 |
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发表于 14-10-2004 09:39 AM
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哈哈！！我发表贴子后便发现我写错了！！！
我要写的是 1/4!
不过，也不太重要啦！！ |
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