ONE QUESTION, ONE STEP
ZX-75122251252025年3月国际B卷 · 第 15 题
2025年3月国际B卷 · 原库模块 1 · Q15 原库参考解析
A real estate company offers a series of three webinars. 1,250 people attended the first webinar. 46% of the people who attended the first webinar attended the second webinar, and 32% of the people who attended the first and second webinars attended the third webinar. How many people attended all three webinars?
参考答案:
解题思路
容易忽略的一步
