《新东方·GMAT官方指南:数学(第2版)》内容简介：Anyone preparing for the GMAT exam knows it's important to study with the experts. With The Official Guide for GMAT~ Quantitative Review, 2nd Edition,you'll get questions, answers, and explanations straight from the source. An excellent supplement to The Official Guide for GMAT Review, 1 2th Edition, this book helps you target your study and further hone your math and reasoning skills.Inside you'll find: 300 actual questions from past GMAT tests-including 75 questions new to this edition Problem Solving and Data Sufficiency questions spanning Arithmetic, Algebra, Geometry,and Word Problems Questions organized in order of difficulty to save study time.