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(Tài liệu) Tổ hợp và Xác suất - Toán 11

Lê Hải

8 thg 11, 2022

Chủ đề tổ hợp và xác suất là một chủ đề thường xuyên xuất hiện trong các đề thi tốt nghiệp môn Toán trung học phổ thông.

Bài viết này xin chia sẻ các câu hỏi trắc nghiệm tổ hợp, chỉnh hợp, Nhị thức Niu tơn, xác suất làm tài liệu ôn tập, giảng dạy cho các em học sinh, các thầy cô giáo.

Trích dẫn một số câu hỏi xác suất

Tuyến sinh Đại hoc – Cao đẳng khối B - 2004

Trong một môn học, thầy giáo có 30 câu hỏi khác nhau gồm 5 câu hỏi khó, 10 câu hỏi trung bình, 15 câu hỏi dễ. Từ 30 câu hỏi đó có thể lập được bao nhiêu đề kiểm tra, mỗi đề gồm 5 câu hỏi khác nhau, sao cho trong mỗi đề nhất thiết phải có đủ 3 loại câu hỏi (khó, trung bình, dễ) và số câu hỏi dễ không ít hơn 2 ?

Tham khảo thêm bài viết:

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