chore(learn): Applied MDX format to Chinese curriculum files (#40462)
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---
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id: 594da033de4190850b893874
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title: 平均值 - 均方根
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challengeType: 5
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videoUrl: ''
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title: 平均值 - 均方根
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---
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## Description
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<section id="description"><p>计算数字1到10(包括1和10)的<a href="https://en.wikipedia.org/wiki/Root mean square" title="wp:均方根">均方根</a> 。 </p><p>均方根也以其首字母RMS(或rms)和二次均值来表示。 </p><p> RMS计算为数字平方的平均值,平方根: </p><p> <big>$$ x _ {\ mathrm {rms}} = \ sqrt {{{x_1} ^ 2 + {x_2} ^ 2 + \ cdots + {x_n} ^ 2} \ over n}。 $$</big> </p></section>
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# --description--
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## Instructions
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<section id="instructions">
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</section>
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<p>计算数字1到10(包括1和10)的<a href='https://en.wikipedia.org/wiki/Root mean square' title='wp:均方根'>均方根</a> 。 </p><p>均方根也以其首字母RMS(或rms)和二次均值来表示。 </p><p> RMS计算为数字平方的平均值,平方根: </p><p> <big>$$ x _ {\ mathrm {rms}} = \ sqrt {{{x_1} ^ 2 + {x_2} ^ 2 + \ cdots + {x_n} ^ 2} \ over n}。 $$</big> </p>
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## Tests
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<section id='tests'>
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# --hints--
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```yml
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tests:
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- text: <code>rms</code>是一个功能。
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testString: assert(typeof rms === 'function');
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- text: '<code>rms([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])</code>应等于<code>6.2048368229954285</code> 。'
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testString: assert.equal(rms(arr1), answer1);
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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`rms`是一个功能。
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```js
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function rms (arr) {
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// Good luck!
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}
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assert(typeof rms === 'function');
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```
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</div>
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### After Test
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<div id='js-teardown'>
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`rms([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])`应等于`6.2048368229954285` 。
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```js
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console.info('after the test');
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assert.equal(rms(arr1), answer1);
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```
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</div>
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# --solutions--
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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/section>
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