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CRI在线 2018年3月合集

One of the highlights was a 4th grade math class on fractions, including the concepts of denominator and the numerator.

其中一个亮点就在一节四年级数学教授数,包括的概念。

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可汗学院:统计学(视频版)

So let me get the calculator out, and we have-- I'll do the numerator first.

所以让我拿出计算器,然后我们——我先算

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化学 Crash Course

We want it with the hours on the top, on the numerator.

我们希望它的小时数在顶部,在

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Engvid-Adam-程合辑

So, again, we're talking about fractions - this is the numerator; this is the denominator.

所以,我们再次数——这; 这

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a student's guide

Is concerning the other element in the numerator basis Rule.

关于基法则中的其他元素。

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生活大爆炸 第4季

How about this for the app name? The Surprisingly Helpful Equation-Linked Differential Optimized Numerator.

应用程序叫这名儿怎样 出奇-好用-微-方程-相关 优化-计算器。

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可汗学院:统计学(视频版)

Now, to simplify it, we can multiply both the numerator and the denominator by the mean of the x's.

现在,为了简化它,我们可以将都乘以 x 的平均值。

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可汗学院:统计学(视频版)

You're just multiplying the numerator and denominator by negative 1, which is same thing as multiplying the whole thing by 1.

您只乘以负数 1,这与将整个事物乘以 1 一样的。

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可汗学院:统计学(视频版)

The numerator over here is a 0.08.

这里的 0.08。

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可汗学院:统计学(视频版)

And you could view it as really the numerator when you calculate variance.

当你计算方差时,你可以把它看作真正的

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可汗学院:统计学(视频版)

And obviously it's going to look different depending on the df of the numerator and the denominator.

显然,根据的 df,它看起来会有所不同。

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GRE数学备考指南

Now, if we multiply our denominator by a number slightly larger than 3, we must also multiply our numerator by a number slightly larger than 3.

如果乘以一个略大于 3 的数,那么也必须乘以一个略大于 3 的数。

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可汗学院:统计学(视频版)

So our numerator is 0.08 divided by this last number right here, which is the 0.037.

所以我们的 0.08 除以这里的最后一个数字,即 0.037。

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可汗学院:统计学(视频版)

The sum is 38.80, so the numerator.

总和 38.80,所以

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可汗学院:统计学(视频版)

This right here is the numerator when we were trying to figure out the slope of the regression line.

这就我们试图计算回归线斜率时的

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可汗学院:统计学(视频版)

That's if this numerator is much bigger than this denominator over here.

那就如果这个比这里的这个大得多。

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可汗学院:统计学(视频版)

Negative 20 over 84, which is the same thing, they're both divisible by 4, the numerator divided by 4 is negative 5, over 21.

负 20 大于 84, 这一回事,它们都可以被 4 整除, 除以 4 负 5, 大于 21。

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可汗学院:统计学(视频版)

This whole simplification, we're just simplifying the numerator.

这整个简化,我们只在简化

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经济学人(汇总)

For example, calculations of return on capital look more impressive with an inflated numerator (present returns) and the denominator (capital invested in the past) in old dollars.

例如,在(现在的回报)涨高,而(过去投资的资本)按旧美元来计价的情况下,资本回报率的计算看起来会更令人印象深刻。

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可汗学院:统计学(视频版)

So you have n to the k in the numerator and you have n to the k in the denominator.

所以你有 n 到 k 的,你有 n 到 k 的

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admixer, admixture, admonish, admonishment, admonition, admonitor, admonitorial, admonitory, ADMS, ADN,

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