2018-10-10 22:03:03 +00:00
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---
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id: 5900f4231000cf542c50ff34
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2020-12-16 07:37:30 +00:00
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title: 问题181:调查两种不同颜色的对象可以分组的方式
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2018-10-10 22:03:03 +00:00
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challengeType: 5
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videoUrl: ''
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2021-01-13 02:31:00 +00:00
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dashedName: >-
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problem-181-investigating-in-how-many-ways-objects-of-two-different-colours-can-be-grouped
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2018-10-10 22:03:03 +00:00
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---
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2020-12-16 07:37:30 +00:00
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# --description--
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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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:(BBBW)(B,BBW)(B,B,BW)(B,B,B,W)(B,BB,W) (BBB,W)(BB,BW)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?
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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# --hints--
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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`euler181()`应该返回83735848679360670。
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2018-10-10 22:03:03 +00:00
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```js
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2020-12-16 07:37:30 +00:00
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assert.strictEqual(euler181(), 83735848679360670);
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2018-10-10 22:03:03 +00:00
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```
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2021-01-13 02:31:00 +00:00
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# --seed--
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## --seed-contents--
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```js
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function euler181() {
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return true;
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}
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euler181();
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```
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2020-12-16 07:37:30 +00:00
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# --solutions--
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2020-08-13 15:24:35 +00:00
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2021-01-13 02:31:00 +00:00
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```js
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// solution required
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```
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