一、教材分析1.内容分析(1)地位与作用不等关系与相等关系都是客观事物之间基本的数量关系。就现实世界来说,不等关系比相等关系更具有普遍性,因此,研究不等关系与研究相等关系具有同样的价值。本章是在学生学习了一元一次方程、二元一次方程组和实数的有关知识之后安排的,它是进一步探究现实生活中数量关 First, the textbook analysis 1 content analysis (1) status and role of unequal relations and equal relationships are the basic quantitative relationship between objective things. In the real world, the unequal relations are more universal than the equal relations, so the unequal relations of research have the same value as the equal relations of research. This chapter is arranged after the student has studied the unary equation, the bivariate equations and the real numbers. It is a further exploration of the quantitative relations in real life