Chapter 2 Application Problems第二章 应用题
I. Basic Application Problems
一、基础应用题
应用题是用简单的语言提出问题，基于情景化的场景，通常来自于生
活。基础应用题有平均数应用题，年龄问题，植树问题,周期问题等
Application problems pose questions in simple language
based on scenario-based contexts, which are usually derived
from real life. Basic application problems include average
application problems, age problems, tree planting problems,
and cycle problems, among others.
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植树问题
比率问题（行程问题）
比率指一个单位的某物与另一个单位的某物进行比较，找到其中两个量
就可以算出第三个量A ratio compares one unit of something to
another unit of something else. Once you have two of these
quantities, you can calculate the third one.
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代数思想解应用题
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2、分数比例应用题
Proportion Application Problems Involving Fractions
和(差)倍应用题
Addition and Subtraction Multiple Application Problems
（2016.12）
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