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freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-1-multiples-of-3-and-5.md

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---
id: 5900f36e1000cf542c50fe80
challengeType: 5
videoUrl: ''
2020-10-01 17:54:21 +02:00
title: 问题13和5的倍数
---
## Description
<section id="description">
如果我们列出所有10以下是3或5的倍数的自然数我们会得到356和9。这些倍数的总和是23。
求出所有在<code>number</code>以下的3或5的倍数的总和。
</section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>multiplesOf3and5(1000)</code>应该返回233168。
testString: assert.strictEqual(multiplesOf3and5(1000), 233168);
- text: <code>multiplesOf3and5(49)</code>应该返回543。
testString: assert.strictEqual(multiplesOf3and5(49), 543);
- text: <code>multiplesOf3and5(19564)</code>应该返回89301183。
testString: assert.strictEqual(multiplesOf3and5(19564), 89301183);
- text: 您的函数未使用我们的测试值返回正确的结果。
testString: assert.strictEqual(multiplesOf3and5(8456), 16687353);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function multiplesOf3and5(number) {
// Good luck!
return true;
}
multiplesOf3and5(1000);
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
/section>