美高预备微积分解题手册

Precalculus is where many students first feel lost. They follow the lesson, they recognize the formulas, and then a test problem changes one number or one condition and they don’t know where to start. A Bridge to Solving Classic Problems: High School Precalculus is written in Chinese for Chinese-speaking students in U.S. high schools, and it is built to fix exactly that gap between understanding the ideas and being able to solve problems.

Instead of hundreds of unrelated exercises, th…