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

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.
拜托大家给一个正确答案，要要做题过程

人气：132 ℃　时间：2020-02-03 18:29:31

解答

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