freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-181-investigating-i...

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---
id: 5900f4231000cf542c50ff34
title: 问题181调查两种不同颜色的对象可以分组的方式
challengeType: 5
videoUrl: ''
dashedName: >-
problem-181-investigating-in-how-many-ways-objects-of-two-different-colours-can-be-grouped
---
# --description--
有三个黑色物体B和一个白色物体W它们可以用7种方式分组BBBWBBBWBBBWBBBWBBBW BBBWBBBW在六十个黑色物体B和四十个白色物体W的分组方式中有多少种
# --hints--
`euler181()`应该返回83735848679360670。
```js
assert.strictEqual(euler181(), 83735848679360670);
```
# --seed--
## --seed-contents--
```js
function euler181() {
return true;
}
euler181();
```
# --solutions--
```js
// solution required
```