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freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-148-exploring-pascals-triangle.md
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---
id: 5900f4021000cf542c50ff14
challengeType: 5
videoUrl: ''
title: 问题148探索帕斯卡的三角形
---
## Description
<section id="description">我们可以很容易地验证Pascal三角形的前七行中的所有条目都不能被7整除 <p> 1 </p><p> 1 </p><p> 1 </p><p> 1 </p><p> 2 </p><p> 1 </p><p> 1 </p><p> 3 </p><p> 3 </p><p> 1 </p><p> 1 </p><p> 4 </p><p> 6 </p><p> 4 </p><p> 1 </p><p> 1 </p><p></p><p> 10 </p><p> 10 </p><p></p><p> 1 1 </p><p> 6 </p><p> 15 </p><p> 20 </p><p> 15 </p><p> 6 </p><p> 1然而如果我们检查前100行我们会发现5050个条目中只有2361个不能被7整除。 </p><p>找到Pascal三角形的前十亿109行中不能被7整除的条目数。 </p></section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler148()</code>应该返回2129970655314432。
testString: assert.strictEqual(euler148(), 2129970655314432);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler148() {
// Good luck!
return true;
}
euler148();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
/section>