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基地学校:南京市宁海中学分校名师团队:南京市鼓楼区卜以楼名师工作室【思维导图】【名师箴言】1.不等式,看样子,样子形式要弄清.样子有:大于型,小于型,大于或等于型,小于或等于型,还有不等型.2.不等性质很重要,求解过程少不了,学习过程要记牢.内容是:同加减任何数(式)、同乘除正的数(式),不等号方向不改变;同乘除负的数(式),不等号方向要改变.3.求解集,“形”(数轴)帮忙,解集法则简单又明了.简记为:同大取较大,同小取较
Base School: Nanjing Ninghai Middle School Teachers Team: Nanjing Gulou District BU to floor teacher studio 【Mind Map】 【Master Proverbs】 1. Inequality, it looks like the form to find out. Looks like: greater than type, less than Type, greater than or equal to type, less than or equal to type, there are inequalities .2. Unequal nature is very important, the solution process ultimately, the learning process to keep in mind.The content is: with the addition or subtraction of any number (type), with the multiplication and division Positive number (type), the direction of the inequality does not change; with the number of multiplication and division negative (negative), the direction of the inequality to change .3. Solve the set, “shape ” (number of axes) to help solve the set of simple and clear. For: big with a big take, with a small take more