Multiplications and divisions are really just many additions and subtractions.

乘法和除法实际上只是许多加法和减法积。

After counting, many children learn to solve simple addition problems.

数完数后，许多孩子学着简单加法问题。

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

你加法与减法乘法与除法是什么情况？

Oh, no, honey. She said you couldn't ADD.

不 宝贝儿 她是说你不会加法。

The pupil could add and subtract but hadn't learned to divide.

这名小学生能加法和减法，但还没学会除法。

Yellow indicated the bee should subtract, while blue meant they should add.

黄色表示蜜蜂应该减法，而蓝色表示蜜蜂应该加法。

Genuine superstars don't just add. They multiply.

真正超级巨星不只是加法，而是会成倍增长。

Subtracting technology is just as important as adding it; the landscape must be balanced.

减法技术和加法技术同样重要；环境一定要保持平衡。

The award-winning Iranian film director Jafar Panahi has reported to have been arrested.

据报道，获奖伊朗电影导演加法尔·帕纳伊已被逮捕。

Researchers put honeybees through 100 trials to train them to add and subtract.

研究人员让蜜蜂进100试验，以训练它们加法和减法。

Adding, reading, writing, riding a bike, nobody's good at anything at first.

加法、阅读、写作、骑自车，没有人一开始就擅长什么事情。

The clerk has piles of papers, a rotary phone, and an adding machine on his desk.

办事员桌上有大叠大叠文件、转盘式电话以及加法机。

It's like you can't memorize the 40-digit addition table, that's more atoms than there are in the universe.

你不可能记住 40 位加法表，这比宇宙中原子数都多。

Next came the adding machine, a bookkeeping machine that was commonplace in offices until the 1970s.

接下来是加法机，这是一种直到20世纪70年代在办公室里都很常见记账机。

In a previous video, I described affricates as being kind of like addition - one plus one equals two.

在之前一个视频里，我说破擦音有点像加法 —— 一加一等于二。

It contained 3000 transistors and could perform 4,500 additions, or roughly 80 multiplications or divisions, every second.

它有 3000 个晶体管，每秒可执 4500 加法，或大约每秒 80 乘除法。

But scientists have found that other animals, such chimpanzees, monkeys, and even pigeons can perform some addition and subtraction.

但科学家发现，黑猩猩、猴子、甚至鸽子等其它动物也能一些加法和减法。

This  addition was called the Cosmological Constant.

这个加法被称为宇宙学常数。

Which statement shows the commutative property of addition?

哪个陈述显示加法交换律？

He's apparently able to add, subtract and multiply.

他显然能够进加法、减法和乘法。