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让学生精通掌握一元一次方程应用题的求解方法,对学生今后的发展至关重要,本文就一元一次方程应用题通过总结,例题详解,以期得出一般思路与方法.一、一元一次方程应用题一般等量关系1.和差倍分问题增长量=原有量×增长率现在量=原有量+增长量2.等积变形问题常见几何图形的面积、体积、周长计算公式,依据形虽变,但
To master the mastery of a dollar equation solution to the problem, the future development of students is essential, this article on the application of a dollar equation through the summary, examples of detailed explanation, in order to come to general ideas and methods. General Equal Relationships 1. Difference Difference Problem Growth Quantity = Original Quantity × Growth Rate Current Quantity = Original Quantity + Growth Quantity 2. Isosceles Deformation Problems The calculation formula of area, volume and perimeter of common geometric figures is based on the formula Although variable, however