输血JJ重要疑问~sum of first 31 integer multiples of 3

kevinxdx · 发表于 2012-5-12 22:51:06

输血JJ35题说的sum of first 31 integer multiples of 3是什么意思呢？（1+2+3+.....+31)乘以3 还是前31个整数中是3的倍数的数之和？变体95题说 "M是前31个正整数中是三的倍数的所有数的和" ,求解释啊~！！~

justeva · 发表于 2012-5-12 23:00:33

到时候仔细看原题就好~！

保险起见你可以两种都算一下~反正都能算出来~

泾渭不凡 · 发表于 2012-5-12 23:05:25

输血JJ35题说的sum of first 31 integer multiples of 3是什么意思呢？（1+2+3+.....+31)乘以3 还是前31个整数中是3的倍数的数之和？变体95题说 "M是前31个正整数中是三的倍数的所有数的和" ,求解释啊~！！~

-- by 会员 kevinxdx (2012/5/12 22:51:06)

ｖｏｔｅ　ｆｏｒ　粉色部分

ｍｕｌｔｉｐｌｅｓ明显是做动词哒～～

仙道到时候注意审题哈～～抓谓语动词哈～～

仙道加油！

praguedream · 发表于 2012-5-13 00:02:22

ｍｕｌｔｉｐｌｅｓ明显是做动词哒～～

-- by 会员泾渭不凡 (2012/5/12 23:05:25)

integer multiples是一个词组吧。。。以下是网上搜到的望牛人鉴定！
How to Find Integer Multiples
By Karl Wallulis, eHow Contributor

Not all of the multiples of a fraction are integers.Multiples of a number are obtained by multiplying integer values (positive and negative whole numbers) by that number. Multiples of integers are always integers; for example, the multiples of 3 are 3, 6, 9, 12, 15, etc. Multiples of rational numbers like 2/3 are not always integers, however. To find integer multiples of a rational number, find the simplest form of the number and then multiply it by multiples of the denominator

Read more: How to Find Integer Multiples | eHow.com http://www.ehow.com/how_8363273_integer-multiples.html#ixzz1uficrt1z

泾渭不凡 · 发表于 2012-5-13 00:15:30

唔~~~这样么？不知道了~~~那就等牛牛鉴定吧~~~

sally77589 · 发表于 2012-5-13 09:41:20

我觉得multiples是名词，如果做动词后面就不要of 了吧。。。我也不是很清楚==

kexin2008 · 发表于 2012-5-13 10:26:54

非牛人。
此句中“multiples”是倍数的意思。"sum of first 31 integer multiples of 3"直译为“3的前31个整数倍数之和”。

眯着眼的猫 · 发表于 2012-5-13 10:31:32

同意楼上

输血JJ重要疑问~sum of first 31 integer multiples of 3

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