But this is just hopefully, a review of algebra for you.

但是希望这是你们对数的一种复习。

To find all your sites about algebra, you click the algebra tag, and voila, one hundred becomes three.

果要找有数的网站，点击数，瞬间筛选成功。

And this is the real magic of algebra.

这就是数的真正魔力。

Some people love the challenge of algebra or enjoy working out number puzzles such as Sudoko.

有些人喜欢数的挑战，或者喜欢做数独之类的数字谜题。

And now what I want to do is let's-- I know I'm doing a lot of equation manipulation here.

现在 我想做的是但是希望这是你们对数的一种复习。

So, what do I mean by algebra?

所以 我所说的数是什么呢？

And for your information, the summer conference on algebraic topology at Caltech is nerd prom.

还有，给你科普一下加州理工夏天的数拓扑会议才是书呆子舞会，数拓扑是使用抽象数的工具来研究拓扑空间的数学分支。拓扑空间是一种数学结构，可以在上头形式化地定义敛，连通，连续等概念。

We can prove this mathematically using algebra.

我们可以使用数学中的数来证明。

So that simple piece of algebra has given us this.

这个简单的数式给了我们这个结果。

So, with a little algebraic rearranging, you can see that blood pressure equals blood flow, or cardiac output, times resistance.

通过一些数的重新排列，你可以看到血压等于血流量，或者心输量，乘以阻力。

Once you had an equation, you could plot the solutions to an algebraic formula on a graph.

一旦你有了一个方程，你就可以在图表上绘制数公式的解。

I realized that meant we would miss twenty minutes of Pre-Algebra.

我知道这就是说头20分钟的数课我们不用上了。

See? Your algebra teacher was right: Someday this stuff will be important.

看到了吗？你的数老师是对的：总有一天（他讲的）这些东西会变得很重要。

Is that what you tell your students in advanced algebra?

你教高等数的时候 就这么和学生说的吗？

And Muslim mathematicians and astronomers developed algebra partly so they could simplify Islamic inheritance law.

穆斯林数学家和天文学家发展数的部分原因是他们可以简化伊斯兰继承法。

Symbols were a way of making the relationships and patterns inside algebra easier to see.

符号是使数中的系和模式更明了的一种方式。

No. What's really weird is doing simple algebra and thinking about a girl in a bikini.

才没有。真正奇怪的是解简单的数时脑海里却想着比基尼女郎。

So this is just going to be a ton of algebraic manipulation.

所以这只是大量的数运算。

Now, what actually happens isthe interview process just becomes like a Tinderfor people who can do algebra.

现在，实际发生的情况是，对于会做数的人来说，面试过程就像 Tinder 一样。

Carlos has Ms. Abdul as his algebra teacher.

Carlos 的数老师是 Abdul 女士。