论文部分内容阅读
数与式主要包括实数、整式、及分式等相关内容,分析2012年中考中的相关试题,实数的一些基本概念及简单运算、幂的运算、因式分解、分式的基本性质、整式和分式的运算以及二次根式的简单应用仍然是全国中考命题的热点,而且对于这部分内容是大容量、小综合的形式单独成题,试题的难度为低、中档题,主要考查同学们灵活运用知识的能力.常见的有填空题、选择题、计算或化简,以及部分阅读性、探索性问
The number and the type mainly include the real number, the whole type, the fractional type and other related content. Analyzes the related questions in the 2012 senior high school entrance examination, some basic concepts of real numbers and simple operations, power operations, factorization, basic properties of fractions, Fractional computing and the simple application of the second root is still a hot topic in the national senior high school entrance examination, but also for this part of the content is large-capacity, small integrated form of a single problem, the difficulty of the test is low, mid-range test, the main test students flexibility The ability to use knowledge. Common fill in the blank, multiple-choice questions, calculation or simplification, as well as some reading, exploratory questions