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Mathematics, 27.11.2021 14:00 jraemier5480

hai người bạn đi chơi ném vòng vào cổ chai trong 1 khu trò chơi , mỗi bạn ném 1 vòng , tỉ lệ ném vòng vào cổ chai của 2 bạn lần lượt là 0,4 và 0,6 .Tính xác suất cả 2 bạn ném được vòng vào cổ chai

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hai người bạn đi chơi ném vòng vào cổ chai trong 1 khu trò chơi , mỗi bạn ném 1 vòng , tỉ lệ ném vòn...
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