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.4.2 解一元一次方程（3）学习目标应用去括号、移项、合并同类项、系数化为 1 的方法解一些简单的一元一次方程.重点难点预测重点应用“去括号”等方法解一些简单的一元一次方程。难点初步掌握解方程的一般步骤，培育自己的概括能力和耐心、细致的学习态度。学生活动过程老师导学过程一、自主学习（独学） 任务 1：去括号法则：括号前是“＋”号， 。括号前是“－”号， 。结论:去括号易错点_______________________________________________________________。练习：将(3x＋2)－2(2x－1)去括号正确的是( )A 3x＋2－2x＋1 B 3x＋2－4x＋1C 3x＋2－4x－2 D 3x＋2－4x＋2任务 2：解方程 －3(x＋1)＝9 解法一 解法二结论:练习：（1） （2）任务 3：解方程 2(2x＋1)＝1－5(x－2)结论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 incr...
