GRE：數(shù)學(xué)機經(jīng)你看了嗎,？

最新的GRE數(shù)學(xué)機經(jīng)已經(jīng)發(fā)布，為考生們提供了高命中率的預(yù)測,，幫助大家順利應(yīng)對各類數(shù)學(xué)難題,。獲取高分的秘訣，從掌握這些預(yù)測開始,！

June 17th Latest GRE Math Prediction

1. A box contains 10 pairs of shoes (20 individual shoes). What is the probability that two randomly selected shoes are from the same pair?

Answer: 1/19. First, take one shoe, leaving 19. The probability that the next shoe matches the first is 1/19.

2. The probability of event A is 0.4, and the probability of both A and B occurring is 0.25. If the probability of A or B occurring is 0.6, what is the probability of event B?

Answer: C. Using the formula P(A∪B) = P(A) + P(B) - P(A∩B), we find 0.6 = 0.4 + B - 0.25; thus, B = 0.45.

3. To create a shade of gray, 2.016 liters of black ink must be mixed with 1 liter of white ink. If you have 350 liters of black ink, how much white ink is needed?

Answer: 173.4. The ratio 2.016:1 = 350:x can be solved for x.

4. Solve: 3x - 6y = 9; 2y - x - 3 = 0

Answer: None. This system has no solution.

5. Assuming x > 0, if the lengths of two sides of a triangle are 2x + 1 and 3x + 4, which of the following could be the length of the third side?

Answer: ACE. The sum of any two sides must be greater than the third side, and the difference must be less.

6. Numbers divisible by nine also have digits that sum to a multiple of nine. If A and B are numbers, then (A - B) mod 9 = (X - Y) mod 9.

Answer 1: A/9 = X.yu, B/9 = Y.yu, (A - B) = X - Y.

Answer 2: Let a, b, c, d, e be positive integers less than 10. The five-digit number and its reverse can be expressed as aX10000 + bX1000 + cX100 + dX10 + e and eX10000 + dX1000 + cX100 + bX10 + a. The difference shows it is divisible by 9.

7. In a group where 55% have brown hair and 80% do not have red hair, what fraction of those without brown hair have red hair?

Answer: 4/9. Those without brown hair are 1 - 0.55 = 0.45; those with red hair are 1 - 0.8 = 0.2. Thus, the answer is 0.2 / 0.45 = 4/9.

8. A certain money market account had a balance of $48,000 last month and earned $360 in interest. What was the simple annual interest rate?

Answer: 9%. The monthly interest of $360 leads to an annual rate of (360 * 12) / 48000 = 9%.

Tips for Achieving a High Score on GRE Math

Understand Scoring Mechanism: GRE Math operates on a scoring system rather than a penalty system. Avoid wasting time on questions you cannot solve; focus on those you can answer to maximize your score.

Learn from Others: Achieving a perfect score in GRE Math is a result of diligent practice. Each candidate should adapt successful strategies from high scorers to fit their unique study habits.

Limit Calculator Use: While calculators can help with accuracy, over-reliance can slow you down. Practice mental math for quicker calculations on simple problems.

GRE：數(shù)學(xué)機經(jīng)你看了嗎,？通過掌握這些最新的數(shù)學(xué)機經(jīng)和技巧，您將能夠在GRE考試中取得優(yōu)異成績,。祝您備考順利,，取得理想的分?jǐn)?shù)！

GRE數(shù)學(xué)備考技巧是每位考生都需要掌握的重要內(nèi)容,。GRE數(shù)學(xué)部分主要測試考生的定量推理能力,，包括算術(shù)、代數(shù),、幾何和數(shù)據(jù)分析等方面,。以下是一些實用的備考技巧，幫助你更有效地準(zhǔn)備GRE數(shù)學(xué)部分,。??

1. 熟悉考試格式
了解GRE數(shù)學(xué)部分的題型是成功的第一步,。考試分為兩個部分：Quantitative Reasoning Section 1 和 Quantitative Reasoning Section 2,。每部分包含20道題目,，時間為35分鐘。確保你熟悉每種題型,，例如:

• Problem Solving: 解決實際數(shù)學(xué)問題,。
• Quantitative Comparisons: 比較兩個數(shù)量的大小,。
• Data Interpretation: 解讀圖表和數(shù)據(jù)集。

2. 制定學(xué)習(xí)計劃
合理安排你的學(xué)習(xí)時間,，以確保覆蓋所有必學(xué)內(nèi)容,。可以制定一個為期8-12周的學(xué)習(xí)計劃,，每周專注于特定的主題,。例如:

• 第1周: 算術(shù)基礎(chǔ)
• 第2周: 代數(shù)基礎(chǔ)
• 第3周: 幾何基礎(chǔ)
• 第4周: 數(shù)據(jù)分析

3. 使用官方資料
使用ETS Official GRE Super Power Pack等官方資料進行備考。這些資料包含真實的考試題目和詳細(xì)的解答過程,，有助于你更好地理解考試內(nèi)容和形式,。??

4. 多做練習(xí)題
通過做大量的練習(xí)題來鞏固知識?？梢允褂迷诰€平臺如Magoosh或Kaplan,，這些平臺提供了豐富的練習(xí)題和模擬考試。確保在限定時間內(nèi)完成練習(xí),，以提高你的時間管理能力,。?

5. 分析錯誤
在做完練習(xí)題后，務(wù)必分析錯誤原因,。記錄下錯誤題目的類型,，并找出自己薄弱的環(huán)節(jié)。這樣可以有針對性地進行復(fù)習(xí),。例如，如果你發(fā)現(xiàn)自己在Data Interpretation部分表現(xiàn)不佳,，可以專門花時間強化這一部分的知識,。??

6. 學(xué)會使用計算器
雖然GRE允許使用基本計算器，但熟悉其功能同樣重要,。在練習(xí)中多使用計算器,，確保在考試時能夠快速高效地完成計算。??

7. 考試策略
在考試時,，合理分配時間至關(guān)重要,。建議每道題目控制在1.5到2分鐘內(nèi)完成。如果遇到難題,，不妨先跳過,，待最后再回頭處理。保持冷靜,，避免因一道題而影響整體考試狀態(tài),。??

8. 模擬考試
在備考的最后階段，進行幾次完整的模擬考試,。選擇與真實考試相似的環(huán)境,，嚴(yán)格按照時間限制進行,。這不僅能幫助你適應(yīng)考試節(jié)奏，還能增強自信心,。??

9. 保持積極心態(tài)
備考過程中難免會遇到挫折,，保持積極的心態(tài)是非常重要的?？梢酝ㄟ^運動,、冥想或與朋友交流來緩解壓力。記住,，適當(dāng)?shù)男菹⒑头潘梢彩莻淇嫉囊徊糠帧????♂?

希望以上的GRE數(shù)學(xué)備考技巧對你有所幫助,！祝你在備考過程中取得優(yōu)異的成績，順利通過GRE考試,！??

Preparing for the GRE can be daunting, especially when it comes to the mathematics section. One effective way to tackle this challenge is by utilizing GRE math practice questions and analyzing real test problems. In this article, we'll explore how to approach GRE math questions, share some useful strategies, and provide insights on common topics that frequently appear on the exam. ??

Understanding the GRE Math Section

The GRE math section primarily tests your skills in Arithmetic, Algebra, and Geometry. You will encounter various question types, including:

• Quantitative Comparison
• Problem Solving
• Data Interpretation

Familiarizing yourself with these formats will help you manage your time effectively during the test. ?

Key Topics to Focus On

While preparing, it's essential to identify key areas that are frequently tested. Here are some important topics you should focus on:

• Fractions and Decimals: Understand how to manipulate fractions and decimals, including conversions and operations.
• Percentages: Be comfortable calculating percentages, percentage increase/decrease, and applying them in word problems.
• Ratios and Proportions: Know how to set up and solve ratio problems, as well as understanding direct and inverse proportions.
• Linear Equations: Practice solving linear equations and understanding their graphical representations.
• Geometry Concepts: Familiarize yourself with properties of triangles, circles, and other shapes, including area and volume calculations.

Practice Makes Perfect

One of the most effective ways to prepare for the GRE math section is through practice. Here’s a sample question to illustrate:

Sample Question: If 3x + 5 = 20, what is the value of x?

Answer: To solve for x, first subtract 5 from both sides: 3x = 15. Then, divide by 3: x = 5. ?

Incorporating practice problems into your study routine will help reinforce your understanding of mathematical concepts. Consider using resources like GRE prep books or online platforms that offer practice questions and solutions. ??

Utilizing GRE Math Resources

There are numerous resources available for GRE math preparation. Some recommended materials include:

• Official GRE Guide: This book includes real GRE questions and detailed explanations.
• Online Courses: Websites like Khan Academy and Magoosh offer tailored GRE math courses.
• Mobile Apps: Apps such as GRE Prep by Magoosh allow you to practice on-the-go.

Time Management Strategies

During the GRE, managing your time is crucial. Here are some strategies to consider:

• Pace Yourself: Aim to spend about 1.5 minutes per question. If you get stuck, move on and return later if time allows.
• Skip and Return: If a question seems too complex, skip it and tackle easier ones first to secure those points.
• Practice Timed Tests: Simulate test conditions by timing yourself during practice sessions. ??

Final Tips for Success

As you approach the GRE, remember to:

• Stay consistent with your study schedule.
• Review your mistakes thoroughly to avoid repeating them.
• Maintain a positive mindset and manage stress through relaxation techniques.

By focusing on these aspects and utilizing available resources, you can enhance your math skills and boost your confidence for the GRE. Good luck! ??

Preparing for the GRE can be a daunting task, especially when it comes to the math section. Understanding the high-frequency topics can significantly boost your confidence and performance on the test day. In this article, we’ll explore some of the most commonly tested areas in GRE math, along with tips and examples to help you master them! ??

1. Algebra

Algebra is a crucial part of the GRE quantitative section. You should be comfortable with solving equations, working with inequalities, and manipulating algebraic expressions. A common type of question you might encounter is:

"If 2x + 3 = 11, what is the value of x?"

To solve this, you would subtract 3 from both sides to get 2x = 8, and then divide by 2 to find that x = 4. Remember to practice different types of algebraic problems to familiarize yourself with various formats! ??

2. Geometry

Geometry questions often involve properties of shapes, area, volume, and the Pythagorean theorem. For example:

"What is the area of a triangle with a base of 10 and a height of 5?"

The formula for the area of a triangle is (1/2) * base * height. Plugging in the numbers gives you (1/2) * 10 * 5 = 25. Make sure to review the properties of different geometric figures! ??

3. Data Interpretation

Data interpretation questions require you to analyze graphs, tables, and charts. These questions assess your ability to extract information and make calculations based on provided data. For instance:

"According to the graph, if the sales increased by 20% in the first quarter and decreased by 10% in the second quarter, what is the overall percentage change?"

To find the overall percentage change, calculate the net effect of the increases and decreases. Practice interpreting various types of data presentations to enhance your skills! ??

4. Word Problems

Word problems can be challenging but are essential for GRE success. They test your ability to translate real-world scenarios into mathematical equations. Here’s an example:

"If a car travels 60 miles per hour, how long will it take to travel 180 miles?"

You can set up the equation time = distance/speed, which gives you time = 180/60 = 3 hours. Practicing these types of problems will improve your problem-solving skills and speed! ??

5. Practice Makes Perfect

To excel in GRE math, consistent practice is key. Utilize resources such as GRE prep books, online courses, and practice tests. Aim to complete at least one practice test under timed conditions to simulate the actual exam experience. Remember, understanding concepts is just as important as practicing problems. ??

Conclusion

By focusing on these high-frequency topics and employing effective study strategies, you can enhance your GRE math skills. Stay determined and practice regularly, and you'll find yourself more prepared for test day! Good luck! ??