●Table of Contents Letter from President and CEO，GMAC？
1.0 What Is the GMAT？ Exam？ 2
1.0 What Is the GMAT？ Exam？ 3
1.1 Why Take the GMAT？ Exam？ 3
1.2 GMAT？ Exam Format 4
1.3 What Is the Content of the Exam Like？ 5
1.4 Integrated Reasoning Section 6
1.5 Quantitative Section 6
1.6 Verbal Section 7
1.7 Analytical Writing Assessment 7
1.8 What Computer Skills Will I Need？ 7
1.9 What Are the Test Centers Like？ 7
1.10 How Are Scores Calculated？ 8
1.11 Test Development Process 9
2.0 How to Prepare 10
2.0 How to Prepare 11
2.1 How Can I Best Prepare to Take the Test？ 11
2.2 What About Practice Tests？ 11
2.3 Where Can I Get Additional Practice？ 12
2.4 General Test—Taking Suggestions 12
3.0 Math Review 14
3.0 Math Review 15
3.1 Arithmetic 16
3.2 Algebra 27
3.3 Geometry 35
3.4 Word Problems 47
4.0 Problem Solving 56
4.0 Problem Solving 57
4.1 Test—Taking Strategies 58
4.2 The Directions 58
4.3 Sample Questions 60
4.4 Answer Key 85
4.5 Answer Explanations 87
5.0 Data Sufficiency 148
5.0 Data Sufficiency 149
5.1 Test—Taking Strategies 150
5.2 The Directions 152
5.3 Sample Questions 154
5.4 Answer Key 166
5.5 Answer Explanations 167
Appendix A Answer Sheets 214
Problem Solving Answer Sheet 215
Data Sufficiency Answer Sheet 216

《（2018）GMAT官方指南（數學）》是GMAC（GMAT考試命題機構）中國大陸原版授權版本，是GMAT考試數學部分的專業輔導書。書中包含300道全真試題，其中還有45道從未公布過的題目，涵蓋GMAT考試數學部分所有題型，並配有全面的答案解析。另附有輔助學習網站，提供個性化在線練習題庫。此外，隨書所附的在線視頻中包含學習建議和應試策略，可幫助考生高效備考。

Graduate Management Admission Council(GAMC) 著