So now I'm actually doing some math, but here's some nuances that we're going to start to trip over.

现在实际上我在做一些算术，但是我们,将会被一些细微的差别所阻塞。

哈佛公开课 - 计算机科学课程节选

But nevertheless, let's just go with this for a minute, and if we suppose that it took about a generation to enter the land so you see, I've done the math on the side here.

无论如何，我们还是要稍微讨论一下，假设，进入这块土地要一代人的努力,你看，我已经在这边做了算术。

耶鲁公开课 - 旧约导论课程节选

So for numbers, we have the things you'd expect, the arithmetics.

对于数字来说，我们已经掌握了你们希望掌握的算术。

麻省理工公开课 - 计算机科学及编程导论课程节选

I am then doing some mathematics with it, clearly, based on the below.

我用它来做一些算术，显然地，根据下面的。

哈佛公开课 - 计算机科学课程节选

And even six-month-olds are sensitive to these rudimentary facts of arithmetic, telling us something about their mathematical knowledge, but also telling us something about that they expect things to remain when they're out of sight.

即便六个月大的婴儿,对算术的基础知识已经相当敏感,向我们展示了婴儿所具有的数学知识,但也同时告诉了我们,婴儿在看不到物体时,仍然会认为物体依然存在

耶鲁公开课 - 心理学导论课程节选