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Mathematics, 14.06.2021 17:40 only1cache
Một người mua ngẫu nhiên một vé xổ số có 5 chữ số. a) Tính xác suất để được vé không có chứ số 1 hoặc không có chữ số 5. b) Tính xác suất để được vé có chữ số 2 và có chữ số lẻ.
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Một người mua ngẫu nhiên một vé xổ số có 5 chữ số. a) Tính xác suất để được vé không có chứ số 1 hoặ...
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