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nhimha2008
2 năm trước
Số học sinh vắng mặt bằng 1/14 số học sinh có mặt tại lớp. Nếu hai học sinh ra khỏi lớp thì số vắng mặt bằng 1/8 số có mặt. Hỏi lớp ấy có tất cả bao nhiêu học sinh?
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