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Mathematics, 15.06.2021 16:10 andy18973
Một khối lập phương có hai mặt sơn trắng hai mặt sơn đỏ hai mặt sơn xanh tung khối lập phương Tính xác suất để mặt trên cùng là sơn đỏ hoặc sơn trắng
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Answers: 3
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Một khối lập phương có hai mặt sơn trắng hai mặt sơn đỏ hai mặt sơn xanh tung khối lập phương Tính x...
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