1. 911查询·英语单词

1. 最近的两个多月他们一直在学习乘除法，加减法是两个多月前学的。

In the last two months they have been working on Multiplication and Division.

2. 他只有3岁，但他已能做简单的加减法题目了。

He's only three, but he can already do simple problem in addition and subtraction.

3. 我的儿子已在学做加减法了。

My son has begun to learn to add and subtract.

4. 你也应该学会加减法的心算。

You also learn how to add and subtract in your head.

5. 你不擅长两位数的加减法。

You are poor at double-digit addition and subtraction.

6. 加减法

6. 在本模型机综合设计之一——加减法指令的实现。

In this model, one machine integrated design- the realization of addition and subtraction instructions.

7. 在频道等化器方面，为了消除造成大功率消耗之复数乘除法器，我们提出一个不使用复数乘除法器的频道等化器，完全以加减法器代替原有的乘除法器。

Then we propose a divider-and-multiplier-free channel equalizer where the original complex divider and multipliers are completely replaced by adders and subtractions.

8. 三年级学童的解题策略有「图像表徵策略」、「多步骤减法策略」、「多步骤加法策略」、「加减法策略」、「多步骤乘法策略」、「乘加法策略」、「乘减法策略」、「乘加减法策略」、「乘法算式填充题列式，乘、加、减法策略」、「除法算式填充题记录问题策略」、「除法算式填充题列式，乘、加、减法策略」、「除法直式估商活动策略」、「除法算式填充题列式，除法直式估商活动策略」、「除法直式策略」、「除法算式填充题列式，除法直式策略」、「综合策略」、「图像表徵与算式合并策略」等十七种解题策略。

There are 17 solution strategies for grade three students, such as:, ,, , ,, , ,, , ,, , ,, , etc.

9. 加减法是什么意思

9. 这对7-9岁大的，正当在大量做加减法训练的儿童尤为有帮助。

This is especially good to do with 7- to 9-year-olds, who are heavily into adding and subtracting.

10. 本研究旨在参照数学解题历程模式进行成份分析，并搭配学习内容分析，编制历程导向单步骤加减法文字题解题诊断评量题组。

The purpose of this study was to develop the Process-Oriented Diagnostic Assessment Battery for single-step word problem of addition and subtraction through componential and content analyses.

11. 基线期阶段，研究者未提供任何提示与协助，三位研究对象分别接受每次五题的加减法文字题评量；处理期阶段，三位研究对象学习使用自我教导策略，并应用於加减法文字题的解题活动；维持期阶段，研究者移除所有教学介入，仅对三位研究对象进行加减法文字题评量，了解其解题正确率与策略使用的维持情形。

In the maintenance phase, researcher removed all interventions and made the assessment to explore whether these subjects can maintain the performance being in the second phase.

12. 利用在氧化还原反应中有关元素原子氧化数的变化值，采取相对系数法比较容易配平方程式，也可以采取加减法平衡氧化数变化值达到配平方程式的目的，为配平方程式探讨新方法提供选择

On the basis of the changed value of oxidized elements and atoms in the oxido-reducing reaction, relative coefficient is adopted to make it easy to equalize square equation.

13. 第四章介绍大数的预备知识和大数加减法的C语言实现。

The fourth chapter introduction large number preparation knowledge and large number plus-minus method C language realization.

14. 911查询·英语单词大全

14. 该方案只用比较器和加减法，就能在保证Turbo码低误比特率的前提下，有效降低系统延时和译码复杂度。

This approach is able to maintain fast system operation and good decoding capability by only using competitors and adders.

15. 加减法的解释

15. 以惠州西湖风景名胜区为例，用相关因子加减法进行景观视觉廊道评价，并将结果绘制成图，形成与景区地图相对应的景观视觉廊道分级图。

Taking the Scenic Spots of Huizhou West Lake for an instance, the writers use the related factor addition and subtraction to assess the landscape visual corridor and transfer the results to a classification map of landscape visual corridor which corresponds with the map of the scenic spot.

16. 911查询·英语单词

16. 采用实验法、观察法和口语报告法相结合的方式，探讨不同数学焦虑水平儿童加减法认知策略选择和执行情况。

The results were as follows, of 90 pupils ranged from grade one to grade three strategies.

17. 加减法运算器，袖珍型，靠记录针控制

Adding and subtracting device, pocket-type, operated with a stylus register-to-register arithmetic operation

18. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD

18. 加减文字题指应用加减法运算解答的简单数学应用题。基本类型有合并题、变化题和比较题。

Addition and subtraction word problems refer to a type of mathematical word problems that can be solved by applying addition and subtraction.

19. 一种基于加减法求交和顶点类型的凹多边形水平扫描填色算法

A horizontal scan color filling algorithm based on finding crossing with addition and subtraction and vertex type for concave polygons

20. 算法的分析和比较：加减法是设计的基础，乘、除、开方运算是设计的重点。

Finished work is as follows: Analysis and comparison of algorithms: the add and substract are the basic parts while multiply and division are the important parts in the design.