The influence of central executive of working memory on arithmetic cognitive strategies of 113 children in primary 2 by using dual-task paradigm was explored.

运用“双重任务”范式，以113名小学二年级儿童为被试，考察了儿童工作记忆的中央执行对算术认知策略表现的影响。

youdao

Based on the primary quadric error metric arithmetic, combined with boundary constrained condition and normal restriction, the primary arithmetic is modified and the application scope is extended.

在二次误差度量算法的基础上，考虑边界约束条件和法向量限制，扩展了算法的应用范围。

youdao

There are three main sections found in the CPU of a typical personal computer system: the primary storage section, the arithmetic-logic section, and the control section.

一台典型的个人计算机的CPU由三部分组成：主存储部分、算术-逻辑部分和控制部分。

youdao

At primary school, it says there should be more emphasis on arithmetic and that some topics, such as the calculation of fractions, volume and area should be covered earlier.

BBC: Maths skills add up to higher earnings, study finds