Blended learning is a modern educational approach that combines traditional face-to-face classroom methods with online digital materials. This method offers three primary benefits. First, it provides greater flexibility for students. They can access lessons and resources at any time, allowing them to learn at their own pace and review difficult concepts whenever needed. Second, it enhances student engagement. By using interactive tools like videos, quizzes, and discussion forums, students often feel more motivated and involved than in a standard lecture. Finally, blended learning helps develop essential digital skills. As students navigate various online platforms, they become more proficient in using technology, which is a crucial requirement for their future careers. In conclusion, by merging the best of both worlds, blended learning creates a more versatile and effective environment for modern learners.

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# Nhập số thực a từ bàn phím a = float(input("Nhập số thực a: ")) # Tính giá trị tuyệt đối gia_tri_tuyet_doi = abs(a) # In kết quả ra màn hình print("Giá trị tuyệt đối của", a, "là:", gia_tri_tuyet_doi)

n=int(input()) s=0 for i in range(n): if i%2==0 and i%5==0: s+=i print(s)