The pupil could add and subtract but hadn't learned to divide.
这名小学生能做加法和减法，但还没学会做除法。
You've got to juggle the two equations, multiply that by 4, multiply that by 3, add and subtract and so on.
你必须联立这两个方程，一个乘以4，另一个乘以3，再加减等等。
He is learning to add and subtract.
他正在学习加减法。
I can use an application to add and subtract.
我能使用应用程序进行加和减。
You also learn how to add and subtract in your head.
你也应该学会加减法的心算。
You must learn to add and subtract in arithmetic.
学算术要学会加法和减法。
The little girl has begun to learn to add and subtract.
这小女孩已在学做加减法了。
Around 7% of boys and 6% of girls could add and subtract.
大约有7%的男孩和6%的女孩会加减法。
Some industries move quickly to add and subtract workers.
有些行业频繁的招募和辞退工人。
The pupil could add and subtract but hadn't learned to pide.
这名小学生能做加法和减法，但还没学会做除法。
Todd could add and subtract faster than all the other children.
托德的加减法做得比其他孩子快。
At 5, my home schooled daughter already knows how to add and subtract.
我女儿在家学习，她五岁，已经学会了加减法。
They do not know how to add and subtract, they just understand letters.
他们不懂什么是加减，他们只认字母。
In their first year at school, most children learn to ADD and subtract.
入学第一年，多数孩子学习加减法。
Scientists say that at five months, infants can already add and subtract.
科学家说五个月大的婴儿已经会加减。
You should also see the return values of the add and subtract operations.
您也应该看到加法操作和减法操作的返回值。
And so for the mixture, now all I'm going to do is just add and subtract terms.
那么对混合物，现在我所要做的，就是加减项。
She pictured the hamster writing her maths exam, using its little claws to add and subtract.
她想象着仓鼠正在做她的数学试题，用它的小爪子在做加减法……
Now that we introduced vectors, you can add and subtract you might as well learn about multiplication.
既然介绍了矢量，你们也学会了加减，不学乘法总觉得怪怪的。
Scientists have found a part of the brain that could determine how well children can add and subtract.
科学家发现，人脑的某一部分可能可以决定儿童数学运算能力的高低。
Aside from that, if you can write code to add and subtract integers and do file IO, you've got all the skill needed!
把那个放一边，假如你会写代码，会加减整数，还有会操作文件IO，我想你已经掌握了所有的需要的技术！
In a program in judgment entered is vehicles or, if is automatic door open, parking space is not to add and subtract.
在程序中判断进入的是车辆还是人，如果是人则自动门开启，停车位不进行加减。
If you have bigger kids that already know how to add and subtract you could work on division and multiplication problems using the chalk.
如果你的孩子大一些已经学会加减法了，你还可以通过这种方式让他们来学习乘除法。
The service interface allowed clients to create instances of a calculator and subsequently add and subtract from the calculator total.
客户端可以在服务接口创建calculator实例，然后从calculator total中进行添加或删减。
I hope you learn to dig in the dirt and read books, and when you learn to use computers, you also learn how to add and subtract in your head.
我希望你能学会在泥土地上挖坑，学会读书、用电脑，并知道该学什么不该学什么。
The step motor position-control, add and subtract rate control, figure function, man-machine dialogue function etc have been realized in the system.
本文开发的步进电机控制系统可以实现电机位置控制、加减速控制、并具有插补运算、图形显示、人机对话等功能。
The step motor position-control, add and subtract rate control, figure function, man-machine dialogue function etc have been realized in the system.
本文开发的步进电机控制系统可以实现电机位置控制、加减速控制、并具有插补运算、图形显示、人机对话等功能。
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