中考数学复习-第1章-数与式-第4课时-分式基础导练VIP免费

ideological and theoretical qualities and practical working ability, and strive to build a contingent of league cadres with positive work style and high quality. Hold a regular meting of the party secretary every fortnightly, arrange the work of the regiment, fedback the student information. Focus on training junior high school, junior high school secretary of the regiment branch to enable them to raise A firm political conviction, diligent and diligent learning spirit and practical and innovative work style.第一章 数与式第 4 课时 分式基础导练一、选择题1.若分式的值为 0，则 x 的值是 ( ) A．3 B．0 C．－3 D．－42.（2024 年山西）化简－的结果是 ( ) A. B. C. D.3.若－＝，则的值是 ( ) A. B．－ C．2 D．－ 2二、填空题1.（2024 年黄冈）计算÷(1－)的结果是________．2.（2024·济宁）假如从一卷粗细均匀的电线上截取 1 米长的电线，称得它的质量为 a 克，再称得剩余电线的质量为 b 克，那么原来这卷电线的总长度是________米．三、解答题1.（2024·广州）已知 A＝－.(1)化简 A；(2)当 x 满足不等式组且 x 为整数时，求 A 的值．参考答案一、选择题1. A 2. A 3. D二、填空题1. 2.三、计算题1.解：(1)A＝－＝－＝－＝＝. (2)不等式组的解集为 1¡Üx<3， ∵x 为整数，∴x＝1 或 2. ∵A＝， ∴x≠1. 当 x＝2 时，A＝＝＝1.Strengthen the team connection, strengthen the knowledge education among the students (especially the first grade students), and promote the formation of good school spirit with the influence of the league members. All League branches should start with recommending outstanding students as the development objects of the League, take amateur league schools as the basis, conscientiously do a good job in the work of pre-league education, league membership education, League members' vanguard exemplary consciousness education, excellent league members' education, etc. Under the premise of ensuring the quality, the development quantity of league members will increase steadily, and the ranks of league members in middle schools will be strengthened constantly. It is planned to develop a group of new league members in April and mid-October.2. Carry out the regular meting system of the League branch, and strengthen the ideological accomplishment and the training work in the field of business. League cadres are the backbone of the work of the League, and their quality directly affects the quality of the work. Therefore, they plan to use their extracurricular activities on Wednesday to open special training and other forms of study activities. To help the regiment cadres improve their ideological quality and professional skills, improve their