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Mathematics, 14.06.2021 20:40 mmm5398

Cho một hộp gồm 6 bi đỏ và 4 bi xanh. Chọn ngẫu nhiên từ hộp 2 bi cùng lúc. Tính xác suất để có ít nhất 1 bi đỏ

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Cho một hộp gồm 6 bi đỏ và 4 bi xanh. Chọn ngẫu nhiên từ hộp 2 bi cùng lúc. Tính xác suất để có ít...
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