作者:Dan.Pilone 目录 Intro xix 1 Solving for Unknowns: What is Algebra? 1 2 Taking Algebra on the Road: (More) Complicated Equations 35 3 Follow the Rules: Rules for Numeric Operations 73 4 Podcasts That Spread Like the Plague: Exponent Operations 111 5 A Picture’s Worth 1,000 Words: Graph