Điểm kiểm tra học kì I môn Toán của
Câu hỏi: Điểm kiểm tra học kì I môn Toán của bạn trong một lớp được cho trong bảng sau: ![](data:image/png;base64,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)
A. 5
B. 10
C. 15
D. 20
Câu hỏi trên thuộc đề trắc nghiệm
Trắc nghiệm Bài 1 Thu thập số liệu thống kê, tần số - Luyện tập - Toán 7