高数问题~帮我解答下~~又加了两题~

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LATER

2012-3-22 06:04 PM

回复 10# 南湘楚

答案对了哦~能不能帮我解多一题~题目在5楼~谢谢

为什么你梅川d酷

2012-3-22 06:31 PM

回复南湘楚

答案对了哦~能不能帮我解多一题~题目在5楼~谢谢
LATER 发表于 2012-3-22 06:04 PM

用n=1 就找到答案了

LATER

2012-3-24 09:06 AM

回复 10# 南湘楚

还有这两题怎么做~
1）given that 3,m,n,192 are the first four consecutive terms of a geometric progression.find the three consecutive terms which added up to 16128～～
2）the price of a new car is RM80000.It is given that the price of the car depreciates at a constant rate of 5% yearly.Calculate the minimum number of years required for the price of the car to drop to less than RM45000.

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高数问题~帮我解答下~~又加了两题~

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