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·······································································4第三章比重·······································································6第四章平均数····································································7第二篇计算能力培养及训练·················································10第一章除法运算································································10第二章乘法运算································································14第三章混合运算································································15第四章比较方法································································191(一)基本概念(二)比较方式(同比、环比)(三)公式推导二、能力训练例1
2018年1-5月份全国网上零售额32691亿元,2017年1-5月份全