目录第一篇列式能力培养及训练···················································1第一章增长········································································1第二章倍数和翻番·····························································10第三章比重······································································15第四章平均数···································································26第二篇计算能力培养及训练·················································34第一章尾数法···································································34第二章有效数字法·····························································38第三章比较方法································································49第三篇综合训练·································································551内部资料免费交流第一篇列式能力培养及训练第一章增长一、知识讲解（一）基本概念（二）比较方式（同比、环比）同比：以最大的时间概念为标准向过去循环一个周期做比较。环比：以最小的时间概念为标准向过去循环一个周期做比较。（三）公式推导二、常见考点考点（一）1.2018年末，山西省常住人口约为3718万人，2017年末约为3702万人。问题：2018年末，山西省常住人口比上年同期增长（）万人。2.2019年4月，四川省汽车产量为5.17万辆，3月份为7.03万辆。2内部资料免费交流问题：2019年4月，四川省汽车产量环比（）万辆。增长量=现期值-基期值考点（二）1.2019年上半年，全国粗钢日均产量272万吨，较上年同期增加2...
