What is the total number of integers between 1 00 and 300 that are divisible by

游客2024-01-12  5

问题 What is the total number of integers between 1 00 and 300 that are divisible by 3?

选项 A、66
B、67
C、68
D、65
E、64

答案 B

解析 这道题目中300刚好是3的倍数,不用往小里凑;同理如果a恰好是n的倍数,也不需要把a往大里凑;因此这道题的计算方法为:(300-102)/3+1=67,正确答案为B。
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