英语数学题解答要过程Find the number of integers between 32 and 395 tha

问题描述:

英语数学题解答要过程
Find the number of integers between 32 and 395 that are divisible by 6. Find their
sum.
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1个回答 分类:数学 2014-12-01

问题解答:

我来补答
找出32和395之间能被6整除的整数个数,并求和
32/6=5,395/6=65,所以个数为60,和为(6+65)*60*6/2=12780
 
 
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