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📚 Who missed the "Ep.3" live, don't regret it. 😊

Right now, the video has not been released, but Bank brought "Sheets that are actually written in live life" to give to the younger people to review first.

.

In this sheet is the material that elder Bank wrote to explain during life.

It includes shading the Venn diagram, examples of problems, and summarizing important points to know about sets.

.

Four key topics

1️⃣ Venn-Euler diagram

2️⃣ Venn diagram with the operation of the set.

3️⃣ algebra of sets.

4️⃣ the problem with sets.

.

Anyone who misses life or wants to review before watching the video back, save the sheet to watch the composition first. 💙

# Bank, butler, math tutoring # The butler tutored math # Math 4 # Set # Give away sheets for free# Tutor # Learn math online

3 days agoEdited to

... Read moreผมเคยพลาดไลฟ์สดในครั้งนี้เหมือนกันครับ แต่ดีใจที่พี่แบงค์ใจดีแจกซี่ทที่ใช้ในไลฟ์มาให้ดาวน์โหลด ซึ่งภายในซี่ทจะมีการแรเงาแผนภาพเวนน์–ออยเลอร์ที่ช่วยให้เข้าใจการแบ่งกลุ่มของเซตต่าง ๆ ได้อย่างชัดเจน นอกจากนี้ยังมีตัวอย่างโจทย์เซตที่หลากหลาย พร้อมคำอธิบายขั้นตอนการแก้ทุกข้ออย่างละเอียด เรียกได้ว่าครอบคลุม 4 หัวข้อสำคัญ สิ่งที่ผมชอบมากคือการแบ่งเนื้อหาออกเป็นหัวข้อย่อย เช่น การแรเงาแผนภาพเวนน์กับการดำเนินการของเซต เช่น union (AUB), intersection (AnB) และการใช้กฎพีชคณิตของเซตต่าง ๆ ซึ่งช่วยผมทำความเข้าใจสูตรต่าง ๆ ได้ง่ายขึ้นมากจากที่เคยสับสน ในส่วนของโจทย์ปัญหาเกี่ยวกับเซต ผมชอบที่พี่แบงค์สอนให้ลองวาดแผนภาพเวนน์เพื่อช่วยจัดระเบียบข้อมูล และตั้งสมการจากข้อมูลในโจทย์ จากนั้นค่อยแก้สมการหาคำตอบ ถือว่าเป็นวิธีที่ช่วยผมเห็นภาพและแก้โจทย์ได้อย่างเป็นระบบมาก สำหรับน้อง ๆ ที่เรียนอยู่ม.4 หรือใครที่สนใจคณิตศาสตร์พื้นฐานในเรื่องเซต แนะนำให้โหลดซี่ทนี้เก็บไว้เลยครับ นอกจากจะช่วยทบทวนก่อนดูวิดีโอย้อนหลังแล้วยังเป็นเอกสารช่วยเรียนที่ดีมาก ๆ ด้วย ผมเองก็ใช้ซี่ทนี้ทบทวนจนเข้าใจเรื่องเซตได้ดีขึ้นไม่น้อยเลยทีเดียว สุดท้ายอยากแนะนำว่าเรื่องเซตนี้เป็นพื้นฐานสำคัญของคณิตศาสตร์หลายแง่มุมจึงควรตั้งใจเรียนและฝึกทำโจทย์บ่อย ๆ เพื่อให้คุ้นชินกับคำศัพท์ กฎและสูตรต่าง ๆ และการวาดแผนภาพเวนน์ที่จะช่วยให้แก้โจทย์ได้ง่ายขึ้นในอนาคตครับ

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