Negative on one side, positive on the other.

一边是负数，另一边是正数。

They're not going to be positive. We've said that.

我们已经说过，它们不会是正数。

I think this month, it will turn to positive.

我认这个月该指数正数。

I'm saying it is to the right, because it is positive.

题中表示“向右”， 因力正数。

From your perspective, no matter how far you look, this sum will be positive.

从你的角度来看，无论你看多远，总都是正数。

So we need a way to represent positive and negative numbers.

所以我们需要一种方法来表示正数负数。

After that, positive numbers indicating upward motion, and negative numbers indicating downward motion.

之后 正数表示向上运 负数表示向下运。

But since we're squaring and taking the sum of squares, this is always going to be positive.

但是因我们要平方并取平方，所以这总是正数。

Cady Heron and The Plastics. Things get interesting when we add positive and negative numbers together.

卡迪·赫伦塑料制品。当我们正数负数相加时，事情会变得有趣。

The same way you can't have a number that's both positive and negative, you can't have a color that's red-green or yellow-blue.

同样的道理，数字不能同时是正数负数，颜色也不能是红绿或黄蓝。

That's a positive number, so the the negative flag is false.

这是一个正数，所以负标志是假的。

On the other hand, he says there is a smallest number if you're counting positive numbers.

另一方面，他说如果你计算的是正数，就会有一个最小的数字。

When we add positive numbers, we move to the right, or in the positive direction on the number line.

当我们添加正数时，我们会向右移，或者在数轴上向正方向移。

So the distance is, you just want to positive number here.

所以距离是，你只想在这里正数。

Remember, positive numbers move you in the positive direction and negative numbers move you in the negative direction.

请记住，正数使您朝正方向移，负数使您朝负方向移。

This right here is 100 over 20 plus 14 minus 20 is negative 6 squared is positive 36.

这就是 100 除以 20 加上 14 减去 20 是负数 6 的平方是正数 36。

Positive 1, plus negative 2, is negative 1. And what happens if we add negative numbers together?

正数1加上负数2就是负数1。如果我们把负数加在一起会发生什么？

And a positive times a negative equals a negative.

正数乘以负数等于负数。

And then, when you square it, it becomes a positive number.

然后，当你对它进行平方时，它就变成了一个正数。

Negative would mean to the left of the mean and positive would mean to the right of the mean.

负数表示在均值左侧，正数表示在均值右侧。