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loanpham1312
2 năm trước
Trong 1 trận bóng đá,đội giành chiến thắng được 3 điểm,đội hòa được 1 điểm.trong vòng bảng,4 đội thi đấu theo vòng tròn 1 lượt.Kết thúc vòng,tổng số điểm ghi được là 15.Hỏi có bao nhiêu trận hòa?
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