她准备学习简单的加法和减法。
我们可以利用减法的魔力。
不久前，研究人员发现4天大的婴儿能够理解加减法。
Not long ago, researches learned that four-day olds could understand addition and subtraction.
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。
This service is a simple math calculation service, providing addition and subtraction operations.
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。
Most of these are probably self-explanatory, like addition, subtraction, multiplication and division.
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。
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.
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。
Soul grows more by subtraction than by addition, and by getting rid of these limitations that are preventing us from fulfilling our potential.
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。
Some of this work's been done at Yale in Karen Wynn's lab, where they look at babies' understanding of addition and subtraction.
最近一项研究表明，蜜蜂可以进行加减法的运算。
Recently, a study showed that bees could perform arithmetic operations like addition and subtraction.
这名小学生能做加法和减法，但还没学会做除法。
The pupil could add and subtract but hadn't learned to divide.
蜜蜂会做加减法——它们用颜色来代替加号和减号。
Bees are capable of addition and subtraction — using colors in the place of plus and minus symbols.
换句话说，我们可以借助减法的魔力。
其实，减肥的数学相当简单，只有减法。
The mathematics of weight loss is, in fact, quite simple, involving only subtraction.
因此矢量的加法和减法,要比标量复杂。
So the adding and the subtraction of vectors is way more complicated than just scalars.
再按两次回车将显示加法和减法表达式。
Pressing return a couple more times will show an addition and subtraction.
进化往往做减法而不是加法。
学会负负责任地使用加法并取代减法。
这小女孩已在学做加减法了。
你也应该学会加减法的心算。
什么加法，减法，除法，分数，我们从来不用它们。
We elves never need that. And addition and subtraction and division and fractions?
大约有7%的男孩和6%的女孩会加减法。
这或许是个加减法，一切都看你如何看待它。
This may be a plus or a minus, depending on how you look at it.
为思考做减法有用吗？
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。
Sums involving two-digit numbers or multiplication or subtraction were beyond him.
假设客户需求增长，并且需要一项可以计算减法的新服务。
Assume that customer requirements expand, and a new service for subtracting Numbers is needed.
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。
Your impatient self clearly suffers from a similar fixed cost of carrying out subtraction.
为思考做减法有用吗？我自己已在很多领域亲身实践多次。
Is there any use in paring down thinking? I've found myself doing this over time, in many areas.
他能听懂笑话了，学会了怎么去算加减法，还有怎样去阅读。
He discovers knock-knock jokes and learns how to add, subtract, and read.
他能听懂笑话了，学会了怎么去算加减法，还有怎样去阅读。
He discovers knock-knock jokes and learns how to add, subtract, and read.
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