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趣味双语阅读

To figure out the answer, let's look at one way a mathematician might calculate the odds of a birthday match.

为了找到答案，让我们看看数学家是如何计算生日相同的概率的。

We can use a field of mathematics known as combinatorics, which deals with the likelihoods of different combinations.

我们可以使用组合数学的分析方法，它用来计算不同组合的概率。

英语相关

The first step is to flip the problem.

首先我们需要转换问题。

Trying to calculate the odds of a match directly is challenging

直接计算生日相同的概率是很困难的，

because there are many ways you could get a birthday match in a group.

因为二人相同的生日可能是在任。

Instead, it's easier to calculate the odds that everyone's birthday is different. How does that help?

相反，计算每个人生日不同的概率是更简单的。这对于问题有什么帮助呢？