She's ready to learn simple addition and subtraction.

她准备学习简单的加法和减法。

There will be simple tests in addition, subtraction, multiplication, and division.

将会有加减乘除的简单测试。

We can use the magic of subtraction.

我们可以利用减法的魔力。

Not long ago, researches learned that four-day olds could understand addition and subtraction.

不久前，研究人员发现4天大的婴儿能够理解加减法。

This service is a simple math calculation service, providing addition and subtraction operations.

该服务是一个简单的数学计算服务，提供了加法和减法运算。

Bees are capable of addition and subtraction — using colors in the place of plus and minus symbols.

蜜蜂会做加减法——它们用颜色来代替加号和减号。

Most of these are probably self-explanatory, like addition, subtraction, multiplication and division.

其中大多数可能都是不言自明的，比如加法、减法、乘法和除法。

Recently, a study showed that bees could perform arithmetic operations like addition and subtraction.

最近一项研究表明，蜜蜂可以进行加减法的运算。

I've got one test there, and then I've just got one thing to do here, which has got a subtraction and a multiplication.

我在这里做了一个测试，然后我在这里做了一件事，就是做减法和乘法。

It also lets you perform mathematical operations like addition, subtraction, division, and multiplication on two statistics.

它还允许您对两个统计数据执行诸如加、减、乘、除等数学运算。

Some of this work's been done at Yale in Karen Wynn's lab, where they look at babies' understanding of addition and subtraction.

其中一些研究是在耶鲁大学的凯伦·韦恩实验室完成的，他们在那里观察婴儿对加法和减法的理解。

Soul grows more by subtraction than by addition, and by getting rid of these limitations that are preventing us from fulfilling our potential.

灵魂的成长更多的是通过减法而不是加法，通过摆脱这些阻碍我们实现我们的潜能的限制。

Atomicity enables the two operations—the subtraction from the savings account and the addition to the checking account—to be treated as a single transaction.

原子性使得这两个操作——从储蓄帐户减钱和向支票帐户加钱——被当作单个事务处理。

The trees cut down are counted as income but no subtraction is made for using up the forests.

砍伐的树木被算作收入，但被耗尽的森林资源却没有计入损失。

One of these is the subtraction of water from the ocean by means of evaporation—conversion of liquid water to water vapor.

其中之一是通过蒸发的方式，把液态水转化为水蒸气——来减少海洋中的水分。

In other words, we can use the magic of subtraction.

换句话说，我们可以借助减法的魔力。

And that brings us to the point of subtraction of vectors.

同时也是，矢量相减的原理。

The service accepts two Numbers for addition or subtraction.

该服务接受两个数字进行加减运算。

Pressing return a couple more times will show an addition and subtraction.

再按两次回车将显示加法和减法表达式。

We elves never need that. And addition and subtraction and division and fractions?

什么加法，减法，除法，分数，我们从来不用它们。

The mathematics of weight loss is, in fact, quite simple, involving only subtraction.

其实，减肥的数学相当简单，只有减法。

Sums involving two-digit numbers or multiplication or subtraction were beyond him.

当加法的和是一个两位数或做乘法和减法时，查尔斯便无能为力。

So the adding and the subtraction of vectors is way more complicated than just scalars.

因此矢量的加法和减法,要比标量复杂。

Your impatient self clearly suffers from a similar fixed cost of carrying out subtraction.

你身上那个急躁的自我，显然在实施减法时承受着类似的固定成本。

What is the difference between the unary minus operator and the binary subtraction operator?

一元操作符负号和二元操作符减号的区别是什么？

The subtraction operators are also available, providing the converse of the add and increment operations.

也可用减号运算符，它的作用与相加和递增操作相反。

As a kid, when I first learned enough subtraction, I figured out how old I would be in the momentous year 2000.

在我的孩提时代，当我学会了如何做减法运算后，我成功的计算出到2000年的时候我会是几岁。

The Mark I could handle 23-decimal-place numbers and perform addition, subtraction, multiplication and division.

Mark I能够处理23位小数并执行加、减、乘和除。

Instead symbols like + or * are used to define functions that can do things like normal numerical addition and subtraction.

相反，使用 + 或 * 等符号定义可以执行普通数字加减法的函数。