OG 12版相比11版的变化

Only 1/3 of the questions are new. Out of 907 problems, 607 are repeats. The best way to look at the 12th Edition is as a source of 300 great new practice problems.

Much of the book is completely unchanged:

• Most explanations for repeated problems have been untouched, though some have been improved.
• The Diagnostic Exam, Math Review, Test-Taking Strategies and Directions are unchanged.
• Excluding the Diagnostic Exam, sample questions are organized by difficulty, according to the GMAC – just as they are in the 11th edition.

The removed and added problems constitute a slight shift in the relative emphasis of certain topics, but the underlying content is essentially the same as that covered in the 11th Edition.

In fact, of the 300 new problems, many of the new Quant problems can be found in GMATPrep™ or GMATFocus™ (both GMAC products).

It is important to note that you should not over-interpret the changes from the 11th Edition to the 12th Edition! Some variation is to be expected. Nothing in these changes suggests a notable shift in how students should prepare for the exam.

DS题：

The 12th Edition has 19 more Data Sufficiency problems than the 11th Edition. Moreover, 47% of the Data Sufficiency problems in the 12th Edition are new. For other question formats, turnover is in the 22%-36% range.

In addition, the 12th edition has 19 fewer Problem Solving questions than the 11th Edition. These shifts may suggest an increase in the relative importance of Data Sufficiency, but this is not certain.

自己先顶，我想通过这个小分析大家可以看出，除了DS题，其它的变化不多，大家放宽心，加强DS题的同时把握好11th edition就好了。

不知道自己的感觉对不对，希望牛牛分析分析阿。。。

楼主辛苦了。

稍微补充以下，VERBAL部分的新题，大部分都可以在PREP 和GWD里看到。

4/18/09,

LZ 呢

一起加油吧！

我刚刚开始准备，菜鸟一枚。。准备8月底9月初考试。。。很多东西需要慢慢请教呢。

祝你在冲刺阶段一切顺利，加油！！

嗯，记录一下，11版的先看好，再了找300新题，应该就没问题了，不能丢西瓜捡芝麻