Cho một bảng ô vuông 3 × 3.
Câu hỏi: Cho một bảng ô vuông 3 × 3.![](data:image/png;base64,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)
A. \(P\left( A \right) = \frac{{10}}{{21}}\)
B. \(P\left( A \right) = \frac{{1}}{{3}}\)
C. \(P\left( A \right) = \frac{{5}}{{7}}\)
D. \(P\left( A \right) = \frac{{1}}{{56}}\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Toán năm 2019 cụm 8 Trường Chuyên ĐB Sông Hồng