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的累积。

Math often builds on a set of basic skills like addition, subtraction, multiplication and division.

数学的基础技能不外乎加减乘除。

To decarbonise an economy is not a simple subtraction; it requires a near-complete overhaul.

经济脱碳不是简单的减法;这需要近乎彻底的改革。

Addition and subtraction are both part of math equations.

加减法两者都是数学方程式的一部分。

Firms are not always opposed to subtraction.

公司并不总是反对减法。

Additions or subtractions to our external circumstances make very little difference.

增加或减少的外部环境 产生的区别很。

And a little bit about pOH, which can be calculated with logarithms, also with subtraction.

它们通常也有很的pH值。

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

的加法与减法乘法与除法是什么情况？

Can you do some subtraction for me?

能帮我做一些减法吗？

So that is where we're calculating the age, and right below that you can see the type of error. In this case, we have a type error, and here's the message. Unsupported operand types for subtraction. Int and str.

这就是我们计算年龄的地方，就在下面可以看到错误的类型。在这种情况下，我们有一个类型错误，这里是信息。不支持的操作数类型减法。 Int和str。

This spectrum subtraction is what happens as sunlight interacts with the elements in the sun's atmosphere and in earth's atmosphere too.

当太阳光与太阳大气中的元素以及地球大气中的元素相互作用时，就会发生频谱相减。

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做一些加法和减法。

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，在乘法和减法之间，知道乘法优先。

The researchers found that, without an explicit prompt to think about subtraction, participants systematically defaulted to adding features rather than taking them away.

研究人员发现，在没有明确提示他们考虑减法的情况下，参与者系统性地默认要增加而不是减去东西。

ENIAC could perform 5000 ten-digit additions or subtractions per second, many, many times faster than any machine that came before it.

ENIAC 每秒可执行 5000 次十位数加减法，比它的前辈快很多很多倍。

Subtraction is not just about removing day-to-day distractions.

减法不仅仅是减去日常生活中的干扰。

So next, 5 will be multiplied by 10, the result is 50 and finally we have subtraction. So 50 minus 3 will be 47. Let's verify this, print x, run the program there you go, I hope you guessed it right.

所以接下来，5 将乘以 10，结果是 50，最后我们进行减法。所以 50 减 3 将是 47。让我们验证一下，打印 x，然后运行程序，我希望猜对了。

If it's addition or subtraction it's only the number of figures after the decimal point that matters.

第一，它告诉已经测量的数据是多少。 第二，它告诉这个值是测量到多精准。

Math skills such as addition, subtraction, multiplication and division should already be mastered.

应该已经掌握了加减乘除等数学技能。

Circuits can be combined to perform complex operations like addition and subtraction.

电路可以组起来执行加法和减法等复杂操作。