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The base 2 transformation from the fraction

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Look in the red house yt. Explain in detail. Ready to take the exam.

2025/8/10 Edited to

... Read moreการแปลงเลขฐานสองจากจำนวนเต็มและเศษส่วนนอกจากจะช่วยให้เข้าใจระบบเลขฐานได้ดีขึ้นแล้ว ยังเป็นทักษะสำคัญในการเรียนและการสอบวิชาคณิตศาสตร์ด้วย ในตัวอย่างการแปลงเลข 27 1/4 เป็นเลขฐานสอง เราจะแบ่งขั้นตอนเป็นสองส่วน คือ การแปลงจำนวนเต็ม 27 และการแปลงเศษส่วน 0.25 พอแปลงจำนวนเต็ม 27 จะได้ 11011 ในฐานสอง ส่วนเศษส่วน 0.25 จะได้ 0.01 เมื่อรวมกันจึงได้ 11011.01 ซึ่งวิธีนี้สามารถใช้ได้กับเศษส่วนที่หารด้วย 2 แล้วได้ค่าเป็นเศษ 0 หรือ 1 เช่น 1/4, 1/8 เป็นต้น หากอยากแปลงเศษส่วนที่ยากกว่า อาจต้องทำซ้ำการคูณเศษส่วนด้วย 2 และจดบันทึกค่าทศนิยมซ้ำ ๆ จนกว่าจะได้ผลลัพธ์สมบูรณ์หรือตัดสินใจประมาณค่าตามที่เหมาะสม การฝึกทำโจทย์แปลงเลขฐานแบบนี้บ่อย ๆ จะช่วยเพิ่มความคล่องแคล่วและเข้าใจในระบบเลขฐาน ซึ่งมีประโยชน์มากทั้งในวิชาคณิตศาสตร์และการเขียนโปรแกรมคอมพิวเตอร์ด้วย ถ้าอยากเห็นวิธีทำและตัวอย่างขั้นตอนละเอียด ๆ เพิ่มเติม แนะนำให้ลองดูคลิปสอนที่บ้านแดงใน YouTube ซึ่งจะช่วยให้น้อง ๆ เข้าใจง่าย และเตรียมตัวสอบเลขฐานได้อย่างมั่นใจมากขึ้น

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