1. Calculate the answered question: 24-4=20 (question)

2. Calculate the full score of the answer: 20×5= 100 (points).

3. Deduction: 100-76=24 (points).

4. Calculate the difference between score and deduction: 5+3=8 (points)

5. Wrong calculation: 24÷8=3 (question)

A: Among the easy questions, Beibei answered three wrong questions.