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Summary of the midterm math formula, M.2 - 3, all topics issued for the exam. ✏️ 

Secondary 2 - 3 Come to repeat before the exam.

In the middle of this semester, I've summed up all the topics.

That you must meet in the exam room!!

.

📌 M.2

The Pythagorean theorem.

Introduction to Real Numbers

Prism and cylinder

.

📌 grade 3

Single variable linear inequality

Two linear equations

Single year

.

As for who wants to summarize the content, read, prepare the exam

Other rounds, both midterm-late.

You have to keep down. "Click follow"

.

# Math # Math # University entrance exam # SmartMathPro

3 days agoEdited to

... Read moreการเตรียมตัวสอบคณิตศาสตร์กลางภาคในระดับมัธยมศึกษาตอนต้นไม่ใช่เรื่องยากหากเราเข้าใจสูตรและแนวคิดสำคัญที่ต้องใช้ โดยเฉพาะเรื่องพื้นฐานอย่างทฤษฎีบทพีทาโกรัส สูตรปริซึมและทรงกระบอก รวมถึงอสมการเชิงเส้นและสมการสองตัวแปรที่มักเจอบ่อยๆ ผมขอแชร์ประสบการณ์ส่วนตัวที่ช่วยให้การสรุปและจำสูตรต่างๆ มีประสิทธิภาพมากขึ้น คือการทำสรุปสูตรในรูปแบบตารางหรือแผนผังช่วยให้เห็นภาพรวมและความเชื่อมโยงของแต่ละสูตรได้ง่ายขึ้น เพราะเมื่อเราเห็นสูตรที่เกี่ยวข้องกันอยู่ใกล้กันจะช่วยให้เข้าใจได้ดีกว่าการจดแยกเป็นข้อๆ นอกจากนี้ การฝึกทำโจทย์จากข้อสอบจริงที่เคยออกมาก่อนก็สำคัญมาก เพราะการลงมือทำโจทย์จะทำให้เราได้ใช้สูตรและเข้าใจวิธีประยุกต์ใช้จริง เช่น ถ้าเจอคำถามเกี่ยวกับปริซึมและทรงกระบอกไม่ว่าจะเป็นการหาพื้นที่ผิวหรือปริมาตร เราจะมีความมั่นใจมากขึ้นและทำคะแนนได้ดีขึ้น เรื่องรากที่สองและรากที่สามในจำนวนจริงก็ควรทบทวนอย่างละเอียด เพราะหลายครั้งที่โจทย์จะออกมาในรูปแบบที่ซับซ้อน เช่นการเปรียบเทียบรากหรือใช้สมบัติของรากในการแก้สมการต่างๆ การทำความเข้าใจสมบัติเหล่านี้ก่อนสอบ จะช่วยลดเวลาที่ใช้ในการคิดและลดความผิดพลาด สำหรับน้องๆ ม.3 การแก้สมการเชิงเส้นตัวแปรเดียวและสองตัวแปรที่อาจดูซับซ้อนตอนแรก แต่ถ้าแบ่งเป็นขั้นตอนชัดเจน เช่น การแทนค่า การแยกตัวประกอบ และการใช้สูตรกำลังสองสมบูรณ์ จะช่วยให้งานง่ายขึ้นและแก้โจทย์ได้ราบรื่น สุดท้าย ผมแนะนำให้สร้างนิสัย "รีวิวสรุปสูตรก่อนสอบ" อย่างน้อยวันละ 15 นาทีในช่วงสอบ เพื่อทำให้สูตรต่างๆ อยู่ในความทรงจำระยะยาว และช่วยให้เรารู้สึกมั่นใจมากขึ้นเมื่อเข้าไปนั่งทำข้อสอบจริง ๆ หวังว่าสรุปสูตรและเคล็ดลับนี้จะเป็นประโยชน์และช่วยให้ทุกคนสอบผ่านคณิตศาสตร์กลางภาคได้อย่างมั่นใจครับ

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