I've never done this, so...four times table in base twelve. OK.

我从来没这么做过，所以… … 在十二进制里的四倍乘法表。好的。

Dividing and multiplying, that's kinda hard for me.

除法乘法，这对我来说有点难。

In math, students need to do simple multiplication and geometry.

在数学方面，学生需要做简单的乘法何算。

They're still trying to learn how to do their multiplication tables, you know.

他们还在努力学习如何做乘法表。

I have my tiger parents to thank for making me learn my multiplication tables at the age of three. I would never have become the governor of the bank otherwise.

我要感谢我严格的父母让我三岁就学习乘法表，否则我永远也不会成为银行行长。

You still could do your multiplication tables.

你仍旧是能做乘法的。

And look at this one with the multiplication, little more complicated, right?

再看这个乘法稍稍复杂了点，是吗？

Where do you stand on addition, subtraction, multiplication and division?

你的加法与减法乘法与除法是什么情况？

Do you know if he'll be doing the full color octet calculations?

你知道他会不会教用矩阵乘法做八色算吗？

It has a capability of solving over 24,000 multiplications per second!

它能同时处理超过 24000 笔的乘法算而且，仅需一秒。

So you learned that parenthesis always overrides the order, so this piece of code is executed first. The result of these 5. Then, between the multiplication and subtraction, you know that multiplication takes precedence.

所以你了解到括号总是覆盖顺序，所以这段代码先执行。这5的结果。然后，在乘法减法之间，你知道乘法优先。

For example, in the first ten minutes of their into to probability course I found myself having to learn how to multiply probabilities.

例如，在概率课的前十分钟里，我发现自己学了如何计算概率乘法。

The Step Reckoner was able to do this in an automated way, and was the first machine that could do all four of these operations.

莱布尼茨乘法器可以自动实现这种操作而且它也是第一台能做到加减乘除四种算的机器。

It was basically a calculator capable of multiplying numbers entered by a set of switches and displaying the results in binary code with little lights.

这其实是一台可以做乘法的计算器，通过一系列开关将数字输入，然后用小灯显示的二进制码呈现结果。

When Hendrix is sweeping the floor while we are doing, let's say, spelling exercises or multiplication quizzing, actually the brain works better.

当亨德里克斯扫地的时候，我们在做拼写练习或乘法测验，实际上大脑工作得更好。

When she got seven times to learn, she said that the lesson was too hard, and that she could not do it.

她学习7的乘法时，说课程太难，很难做到。

Sure, you immediately know it's a multiplication problem, and you knew you could solve it if you had the energy but didn't.

当然，你马上知道这是一个乘法问题，还知道如果你有精力你能算出它，但你没有解决它。

The most important kind of magical step is laying them out in a matrix and doing what's called matrix multiplication.

最关键的神奇步骤是将它们排列成矩阵，并进行所谓的矩阵乘法。

Now, by the distributive property, the left side of the equation can be rearranged to zero plus zero times infinity.

现在，根据乘法分配律，可以将等式左边的式整理成 (0 + 0) 乘以 1/0。

For instance, for most educated adults, solving a complicated equation has a higher cognitive load than reciting the multiplication table.

例如，对于大多数受过教育的成年人来说，解决一个复杂的方程比背诵乘法表有更高的认知负荷。